Adding upstream version 43.9.upstream/43.9upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 2784 insertions, 0 deletions

diff --git a/src/st/croco/cr-statement.c b/src/st/croco/cr-statement.c
new file mode 100644
index 0000000..eaeb49f
--- /dev/null
+++ b/src/st/croco/cr-statement.c
@@ -0,0 +1,2784 @@
+/* -*- Mode: C; indent-tabs-mode: nil; c-basic-offset: 8 -*- */
+
+/*
+ * This file is part of The Croco Library
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2.1 of the GNU Lesser General Public
+ * License as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ * USA
+ *
+ * Author: Dodji Seketeli.
+ * See COPYRIGHTS files for copyrights information.
+ */
+
+#include <string.h>
+#include "cr-statement.h"
+#include "cr-parser.h"
+
+/**
+ *@file
+ *Definition of the #CRStatement class.
+ */
+
+#define DECLARATION_INDENT_NB 2
+
+static void cr_statement_clear (CRStatement * a_this);
+
+static void  
+parse_font_face_start_font_face_cb (CRDocHandler * a_this,
+                                    CRParsingLocation *a_location)
+{
+        CRStatement *stmt = NULL;
+        enum CRStatus status = CR_OK;
+
+        stmt = cr_statement_new_at_font_face_rule (NULL, NULL);
+        g_return_if_fail (stmt);
+
+        status = cr_doc_handler_set_ctxt (a_this, stmt);
+        g_return_if_fail (status == CR_OK);
+}
+
+static void
+parse_font_face_unrecoverable_error_cb (CRDocHandler * a_this)
+{
+        CRStatement *stmt = NULL;
+	CRStatement **stmtptr = NULL;
+        enum CRStatus status = CR_OK;
+
+        g_return_if_fail (a_this);
+
+	stmtptr = &stmt;
+        status = cr_doc_handler_get_ctxt (a_this, (gpointer *) stmtptr);
+        if (status != CR_OK) {
+                cr_utils_trace_info ("Couldn't get parsing context. "
+                                     "This may lead to some memory leaks.");
+                return;
+        }
+        if (stmt) {
+                cr_statement_destroy (stmt);
+                cr_doc_handler_set_ctxt (a_this, NULL);
+                return;
+        }
+}
+
+static void
+parse_font_face_property_cb (CRDocHandler * a_this,
+                             CRString * a_name,
+                             CRTerm * a_value, gboolean a_important)
+{
+        enum CRStatus status = CR_OK;
+        CRString *name = NULL;
+        CRDeclaration *decl = NULL;
+        CRStatement *stmt = NULL;
+        CRStatement **stmtptr = NULL;
+
+        g_return_if_fail (a_this && a_name);
+
+	stmtptr = &stmt;
+        status = cr_doc_handler_get_ctxt (a_this, (gpointer *) stmtptr);
+        g_return_if_fail (status == CR_OK && stmt);
+        g_return_if_fail (stmt->type == AT_FONT_FACE_RULE_STMT);
+
+        name = cr_string_dup (a_name) ;
+        g_return_if_fail (name);
+        decl = cr_declaration_new (stmt, name, a_value);
+        if (!decl) {
+                cr_utils_trace_info ("cr_declaration_new () failed.");
+                goto error;
+        }
+        name = NULL;
+
+        stmt->kind.font_face_rule->decl_list =
+                cr_declaration_append (stmt->kind.font_face_rule->decl_list,
+                                       decl);
+        if (!stmt->kind.font_face_rule->decl_list)
+                goto error;
+        decl = NULL;
+
+      error:
+        if (decl) {
+                cr_declaration_unref (decl);
+                decl = NULL;
+        }
+        if (name) {
+                cr_string_destroy (name);
+                name = NULL;
+        }
+}
+
+static void
+parse_font_face_end_font_face_cb (CRDocHandler * a_this)
+{
+        CRStatement *result = NULL;
+        CRStatement **resultptr = NULL;
+        enum CRStatus status = CR_OK;
+
+        g_return_if_fail (a_this);
+
+	resultptr = &result;
+        status = cr_doc_handler_get_ctxt (a_this, (gpointer *) resultptr);
+        g_return_if_fail (status == CR_OK && result);
+        g_return_if_fail (result->type == AT_FONT_FACE_RULE_STMT);
+
+        status = cr_doc_handler_set_result (a_this, result);
+        g_return_if_fail (status == CR_OK);
+}
+
+static void
+parse_page_start_page_cb (CRDocHandler * a_this,
+                          CRString * a_name, 
+                          CRString * a_pseudo_page,
+                          CRParsingLocation *a_location)
+{
+        CRStatement *stmt = NULL;
+        enum CRStatus status = CR_OK;
+        CRString *page_name = NULL, *pseudo_name = NULL ;
+
+        if (a_name)
+                page_name = cr_string_dup (a_name) ;
+        if (a_pseudo_page)
+                pseudo_name = cr_string_dup (a_pseudo_page) ;
+
+        stmt = cr_statement_new_at_page_rule (NULL, NULL, 
+                                              page_name,
+                                              pseudo_name);
+        page_name = NULL ;
+        pseudo_name = NULL ;
+        g_return_if_fail (stmt);
+        status = cr_doc_handler_set_ctxt (a_this, stmt);
+        g_return_if_fail (status == CR_OK);
+}
+
+static void
+parse_page_unrecoverable_error_cb (CRDocHandler * a_this)
+{
+        CRStatement *stmt = NULL;
+        CRStatement **stmtptr = NULL;
+        enum CRStatus status = CR_OK;
+
+        g_return_if_fail (a_this);
+
+	stmtptr = &stmt;
+        status = cr_doc_handler_get_ctxt (a_this, (gpointer *) stmtptr);
+        if (status != CR_OK) {
+                cr_utils_trace_info ("Couldn't get parsing context. "
+                                     "This may lead to some memory leaks.");
+                return;
+        }
+        if (stmt) {
+                cr_statement_destroy (stmt);
+                stmt = NULL;
+                cr_doc_handler_set_ctxt (a_this, NULL);
+        }
+}
+
+static void
+parse_page_property_cb (CRDocHandler * a_this,
+                        CRString * a_name,
+                        CRTerm * a_expression, gboolean a_important)
+{
+        CRString *name = NULL;
+        CRStatement *stmt = NULL;
+        CRStatement **stmtptr = NULL;
+        CRDeclaration *decl = NULL;
+        enum CRStatus status = CR_OK;
+
+	stmtptr = &stmt;
+        status = cr_doc_handler_get_ctxt (a_this, (gpointer *) stmtptr);
+        g_return_if_fail (status == CR_OK && stmt->type == AT_PAGE_RULE_STMT);
+
+        name = cr_string_dup (a_name);
+        g_return_if_fail (name);
+
+        decl = cr_declaration_new (stmt, name, a_expression);
+        g_return_if_fail (decl);
+        decl->important = a_important;
+        stmt->kind.page_rule->decl_list =
+                cr_declaration_append (stmt->kind.page_rule->decl_list, decl);
+        g_return_if_fail (stmt->kind.page_rule->decl_list);
+}
+
+static void
+parse_page_end_page_cb (CRDocHandler * a_this,
+                        CRString * a_name, 
+                        CRString * a_pseudo_page)
+{
+        enum CRStatus status = CR_OK;
+        CRStatement *stmt = NULL;
+        CRStatement **stmtptr = NULL;
+
+	stmtptr = &stmt;
+        status = cr_doc_handler_get_ctxt (a_this, (gpointer *) stmtptr);
+        g_return_if_fail (status == CR_OK && stmt);
+        g_return_if_fail (stmt->type == AT_PAGE_RULE_STMT);
+
+        status = cr_doc_handler_set_result (a_this, stmt);
+        g_return_if_fail (status == CR_OK);
+}
+
+static void
+parse_at_media_start_media_cb (CRDocHandler * a_this, 
+                               GList * a_media_list,
+                               CRParsingLocation *a_location)
+{
+        enum CRStatus status = CR_OK;
+        CRStatement *at_media = NULL;
+        GList *media_list = NULL;
+
+        g_return_if_fail (a_this && a_this->priv);
+
+        if (a_media_list) {
+                /*duplicate media list */
+                media_list = cr_utils_dup_glist_of_cr_string 
+                        (a_media_list);
+        }
+
+        g_return_if_fail (media_list);
+
+        /*make sure cr_statement_new_at_media_rule works in this case. */
+        at_media = cr_statement_new_at_media_rule (NULL, NULL, media_list);
+
+        status = cr_doc_handler_set_ctxt (a_this, at_media);
+        g_return_if_fail (status == CR_OK);
+        status = cr_doc_handler_set_result (a_this, at_media);
+        g_return_if_fail (status == CR_OK);
+}
+
+static void
+parse_at_media_unrecoverable_error_cb (CRDocHandler * a_this)
+{
+        enum CRStatus status = CR_OK;
+        CRStatement *stmt = NULL;
+        CRStatement **stmtptr = NULL;
+
+        g_return_if_fail (a_this);
+
+	stmtptr = &stmt;
+        status = cr_doc_handler_get_result (a_this, (gpointer *) stmtptr);
+        if (status != CR_OK) {
+                cr_utils_trace_info ("Couldn't get parsing context. "
+                                     "This may lead to some memory leaks.");
+                return;
+        }
+        if (stmt) {
+                cr_statement_destroy (stmt);
+                stmt = NULL;
+                cr_doc_handler_set_ctxt (a_this, NULL);
+                cr_doc_handler_set_result (a_this, NULL);
+        }
+}
+
+static void
+parse_at_media_start_selector_cb (CRDocHandler * a_this,
+                                  CRSelector * a_sellist)
+{
+        enum CRStatus status = CR_OK;
+        CRStatement *at_media = NULL;
+        CRStatement **at_media_ptr = NULL;
+	CRStatement *ruleset = NULL;
+
+        g_return_if_fail (a_this && a_this->priv && a_sellist);
+
+	at_media_ptr = &at_media;
+        status = cr_doc_handler_get_ctxt (a_this, (gpointer *) at_media_ptr);
+        g_return_if_fail (status == CR_OK && at_media);
+        g_return_if_fail (at_media->type == AT_MEDIA_RULE_STMT);
+        ruleset = cr_statement_new_ruleset (NULL, a_sellist, NULL, at_media);
+        g_return_if_fail (ruleset);
+        status = cr_doc_handler_set_ctxt (a_this, ruleset);
+        g_return_if_fail (status == CR_OK);
+}
+
+static void
+parse_at_media_property_cb (CRDocHandler * a_this,
+                            CRString * a_name, CRTerm * a_value,
+                            gboolean a_important)
+{
+        enum CRStatus status = CR_OK;
+
+        /*
+         *the current ruleset stmt, child of the 
+         *current at-media being parsed.
+         */
+        CRStatement *stmt = NULL;
+        CRStatement **stmtptr = NULL;
+        CRDeclaration *decl = NULL;
+        CRString *name = NULL;
+
+        g_return_if_fail (a_this && a_name);
+
+        name = cr_string_dup (a_name) ;
+        g_return_if_fail (name);
+
+	stmtptr = &stmt;
+        status = cr_doc_handler_get_ctxt (a_this, 
+                                          (gpointer *) stmtptr);
+        g_return_if_fail (status == CR_OK && stmt);
+        g_return_if_fail (stmt->type == RULESET_STMT);
+
+        decl = cr_declaration_new (stmt, name, a_value);
+        g_return_if_fail (decl);
+        decl->important = a_important;
+        status = cr_statement_ruleset_append_decl (stmt, decl);
+        g_return_if_fail (status == CR_OK);
+}
+
+static void
+parse_at_media_end_selector_cb (CRDocHandler * a_this, 
+                                CRSelector * a_sellist)
+{
+        enum CRStatus status = CR_OK;
+
+        /*
+         *the current ruleset stmt, child of the 
+         *current at-media being parsed.
+         */
+        CRStatement *stmt = NULL;
+        CRStatement **stmtptr = NULL;
+
+        g_return_if_fail (a_this && a_sellist);
+
+	stmtptr = &stmt;
+        status = cr_doc_handler_get_ctxt (a_this, (gpointer *) stmtptr);
+        g_return_if_fail (status == CR_OK && stmt
+                          && stmt->type == RULESET_STMT);
+        g_return_if_fail (stmt->kind.ruleset->parent_media_rule);
+
+        status = cr_doc_handler_set_ctxt
+                (a_this, stmt->kind.ruleset->parent_media_rule);
+        g_return_if_fail (status == CR_OK);
+}
+
+static void
+parse_at_media_end_media_cb (CRDocHandler * a_this, 
+                             GList * a_media_list)
+{
+        enum CRStatus status = CR_OK;
+        CRStatement *at_media = NULL;
+        CRStatement **at_media_ptr = NULL;
+
+        g_return_if_fail (a_this && a_this->priv);
+
+	at_media_ptr = &at_media;
+        status = cr_doc_handler_get_ctxt (a_this, 
+                                          (gpointer *) at_media_ptr);
+        g_return_if_fail (status == CR_OK && at_media);
+        status = cr_doc_handler_set_result (a_this, at_media);
+}
+
+static void
+parse_ruleset_start_selector_cb (CRDocHandler * a_this,
+                                 CRSelector * a_sellist)
+{
+        CRStatement *ruleset = NULL;
+
+        g_return_if_fail (a_this && a_this->priv && a_sellist);
+
+        ruleset = cr_statement_new_ruleset (NULL, a_sellist, NULL, NULL);
+        g_return_if_fail (ruleset);
+
+        cr_doc_handler_set_result (a_this, ruleset);
+}
+
+static void
+parse_ruleset_unrecoverable_error_cb (CRDocHandler * a_this)
+{
+        CRStatement *stmt = NULL;
+        CRStatement **stmtptr = NULL;
+        enum CRStatus status = CR_OK;
+
+	stmtptr = &stmt;
+        status = cr_doc_handler_get_result (a_this, (gpointer *) stmtptr);
+        if (status != CR_OK) {
+                cr_utils_trace_info ("Couldn't get parsing context. "
+                                     "This may lead to some memory leaks.");
+                return;
+        }
+        if (stmt) {
+                cr_statement_destroy (stmt);
+                stmt = NULL;
+                cr_doc_handler_set_result (a_this, NULL);
+        }
+}
+
+static void
+parse_ruleset_property_cb (CRDocHandler * a_this,
+                           CRString * a_name,
+                           CRTerm * a_value, gboolean a_important)
+{
+        enum CRStatus status = CR_OK;
+        CRStatement *ruleset = NULL;
+        CRStatement **rulesetptr = NULL;
+        CRDeclaration *decl = NULL;
+        CRString *stringue = NULL;
+
+        g_return_if_fail (a_this && a_this->priv && a_name);
+
+        stringue = cr_string_dup (a_name);
+        g_return_if_fail (stringue);
+
+	rulesetptr = &ruleset;
+        status = cr_doc_handler_get_result (a_this, (gpointer *) rulesetptr);
+        g_return_if_fail (status == CR_OK
+                          && ruleset 
+                          && ruleset->type == RULESET_STMT);
+
+        decl = cr_declaration_new (ruleset, stringue, a_value);
+        g_return_if_fail (decl);
+        decl->important = a_important;
+        status = cr_statement_ruleset_append_decl (ruleset, decl);
+        g_return_if_fail (status == CR_OK);
+}
+
+static void
+parse_ruleset_end_selector_cb (CRDocHandler * a_this, 
+                               CRSelector * a_sellist)
+{
+        CRStatement *result = NULL;
+        CRStatement **resultptr = NULL;
+        enum CRStatus status = CR_OK;
+
+        g_return_if_fail (a_this && a_sellist);
+
+	resultptr = &result;
+        status = cr_doc_handler_get_result (a_this, (gpointer *) resultptr);
+
+        g_return_if_fail (status == CR_OK
+                          && result 
+                          && result->type == RULESET_STMT);
+}
+
+static void
+cr_statement_clear (CRStatement * a_this)
+{
+        g_return_if_fail (a_this);
+
+        switch (a_this->type) {
+        case AT_RULE_STMT:
+                break;
+        case RULESET_STMT:
+                if (!a_this->kind.ruleset)
+                        return;
+                if (a_this->kind.ruleset->sel_list) {
+                        cr_selector_unref (a_this->kind.ruleset->sel_list);
+                        a_this->kind.ruleset->sel_list = NULL;
+                }
+                if (a_this->kind.ruleset->decl_list) {
+                        cr_declaration_destroy
+                                (a_this->kind.ruleset->decl_list);
+                        a_this->kind.ruleset->decl_list = NULL;
+                }
+                g_free (a_this->kind.ruleset);
+                a_this->kind.ruleset = NULL;
+                break;
+
+        case AT_IMPORT_RULE_STMT:
+                if (!a_this->kind.import_rule)
+                        return;
+                if (a_this->kind.import_rule->url) {
+                        cr_string_destroy 
+                                (a_this->kind.import_rule->url) ;
+                        a_this->kind.import_rule->url = NULL;
+                }
+                g_free (a_this->kind.import_rule);
+                a_this->kind.import_rule = NULL;
+                break;
+
+        case AT_MEDIA_RULE_STMT:
+                if (!a_this->kind.media_rule)
+                        return;
+                if (a_this->kind.media_rule->rulesets) {
+                        cr_statement_destroy
+                                (a_this->kind.media_rule->rulesets);
+                        a_this->kind.media_rule->rulesets = NULL;
+                }
+                if (a_this->kind.media_rule->media_list) {
+                        GList *cur = NULL;
+
+                        for (cur = a_this->kind.media_rule->media_list;
+                             cur; cur = cur->next) {
+                                if (cur->data) {
+                                        cr_string_destroy ((CRString *) cur->data);
+                                        cur->data = NULL;
+                                }
+
+                        }
+                        g_list_free (a_this->kind.media_rule->media_list);
+                        a_this->kind.media_rule->media_list = NULL;
+                }
+                g_free (a_this->kind.media_rule);
+                a_this->kind.media_rule = NULL;
+                break;
+
+        case AT_PAGE_RULE_STMT:
+                if (!a_this->kind.page_rule)
+                        return;
+
+                if (a_this->kind.page_rule->decl_list) {
+                        cr_declaration_destroy
+                                (a_this->kind.page_rule->decl_list);
+                        a_this->kind.page_rule->decl_list = NULL;
+                }
+                if (a_this->kind.page_rule->name) {
+                        cr_string_destroy 
+                                (a_this->kind.page_rule->name);
+                        a_this->kind.page_rule->name = NULL;
+                }
+                if (a_this->kind.page_rule->pseudo) {
+                        cr_string_destroy
+                                (a_this->kind.page_rule->pseudo);
+                        a_this->kind.page_rule->pseudo = NULL;
+                }
+                g_free (a_this->kind.page_rule);
+                a_this->kind.page_rule = NULL;
+                break;
+
+        case AT_CHARSET_RULE_STMT:
+                if (!a_this->kind.charset_rule)
+                        return;
+
+                if (a_this->kind.charset_rule->charset) {
+                        cr_string_destroy
+                                (a_this->kind.charset_rule->charset);
+                        a_this->kind.charset_rule->charset = NULL;
+                }
+                g_free (a_this->kind.charset_rule);
+                a_this->kind.charset_rule = NULL;
+                break;
+
+        case AT_FONT_FACE_RULE_STMT:
+                if (!a_this->kind.font_face_rule)
+                        return;
+
+                if (a_this->kind.font_face_rule->decl_list) {
+                        cr_declaration_unref
+                                (a_this->kind.font_face_rule->decl_list);
+                        a_this->kind.font_face_rule->decl_list = NULL;
+                }
+                g_free (a_this->kind.font_face_rule);
+                a_this->kind.font_face_rule = NULL;
+                break;
+
+        default:
+                break;
+        }
+}
+
+/**
+ * cr_statement_ruleset_to_string:
+ *
+ *@a_this: the current instance of #CRStatement
+ *@a_indent: the number of whitespace to use for indentation
+ *
+ *Serializes the ruleset statement into a string
+ *
+ *Returns the newly allocated serialised string. Must be freed
+ *by the caller, using g_free().
+ */
+static gchar *
+cr_statement_ruleset_to_string (CRStatement const * a_this, glong a_indent)
+{
+        GString *stringue = NULL;
+        gchar *tmp_str = NULL,
+                *result = NULL;
+
+        g_return_val_if_fail (a_this && a_this->type == RULESET_STMT, NULL);
+
+        stringue = g_string_new (NULL);
+
+        if (a_this->kind.ruleset->sel_list) {
+                if (a_indent)
+                        cr_utils_dump_n_chars2 (' ', stringue, a_indent);
+
+                tmp_str =
+                        (gchar *) cr_selector_to_string (a_this->kind.ruleset->
+                                               sel_list);
+                if (tmp_str) {
+                        g_string_append (stringue, tmp_str);
+                        g_free (tmp_str);
+                        tmp_str = NULL;
+                }
+        }
+        g_string_append (stringue, " {\n");
+        if (a_this->kind.ruleset->decl_list) {
+                tmp_str = (gchar *) cr_declaration_list_to_string2
+                        (a_this->kind.ruleset->decl_list,
+                         a_indent + DECLARATION_INDENT_NB, TRUE);
+                if (tmp_str) {
+                        g_string_append (stringue, tmp_str);
+                        g_free (tmp_str);
+                        tmp_str = NULL;
+                }
+                g_string_append (stringue, "\n");
+                cr_utils_dump_n_chars2 (' ', stringue, a_indent);
+        }
+        g_string_append (stringue, "}");
+        result = g_string_free (stringue, FALSE);
+
+        if (tmp_str) {
+                g_free (tmp_str);
+                tmp_str = NULL;
+        }
+        return result;
+}
+
+
+/**
+ * cr_statement_font_face_rule_to_string:
+ *
+ *@a_this: the current instance of #CRStatement to consider
+ *It must be a font face rule statement.
+ *@a_indent: the number of white spaces of indentation.
+ *
+ *Serializes a font face rule statement into a string.
+ *
+ *Returns the serialized string. Must be deallocated by the caller
+ *using g_free().
+ */
+static gchar *
+cr_statement_font_face_rule_to_string (CRStatement const * a_this,
+                                       glong a_indent)
+{
+        gchar *result = NULL, *tmp_str = NULL ;
+        GString *stringue = NULL ;
+
+        g_return_val_if_fail (a_this 
+                              && a_this->type == AT_FONT_FACE_RULE_STMT,
+                              NULL);
+
+        if (a_this->kind.font_face_rule->decl_list) {
+                stringue = g_string_new (NULL) ;
+                g_return_val_if_fail (stringue, NULL) ;
+                if (a_indent)
+                        cr_utils_dump_n_chars2 (' ', stringue, 
+                                        a_indent);
+                g_string_append (stringue, "@font-face {\n");
+                tmp_str = (gchar *) cr_declaration_list_to_string2 
+                        (a_this->kind.font_face_rule->decl_list,
+                         a_indent + DECLARATION_INDENT_NB, TRUE) ;
+                if (tmp_str) {
+                        g_string_append (stringue,
+                                         tmp_str) ;
+                        g_free (tmp_str) ;
+                        tmp_str = NULL ;
+                }
+                g_string_append (stringue, "\n}");
+        }
+        if (stringue) {
+                result = g_string_free (stringue, FALSE);
+                stringue = NULL ;
+        }
+        return result ;
+}
+
+
+/**
+ * cr_statement_charset_to_string:
+ *
+ *Serialises an \@charset statement into a string.
+ *@a_this: the statement to serialize.
+ *@a_indent: the number of indentation spaces
+ *
+ *Returns the serialized charset statement. Must be
+ *freed by the caller using g_free().
+ */
+static gchar *
+cr_statement_charset_to_string (CRStatement const *a_this,
+                                gulong a_indent)
+{
+        gchar *str = NULL ;
+        GString *stringue = NULL ;
+
+        g_return_val_if_fail (a_this
+                              && a_this->type == AT_CHARSET_RULE_STMT,
+                              NULL) ;
+
+        if (a_this->kind.charset_rule
+            && a_this->kind.charset_rule->charset
+            && a_this->kind.charset_rule->charset->stryng
+            && a_this->kind.charset_rule->charset->stryng->str) {
+                str = g_strndup (a_this->kind.charset_rule->charset->stryng->str,
+                                 a_this->kind.charset_rule->charset->stryng->len);
+                g_return_val_if_fail (str, NULL);
+                stringue = g_string_new (NULL) ;
+                g_return_val_if_fail (stringue, NULL) ;
+                cr_utils_dump_n_chars2 (' ', stringue, a_indent);
+                g_string_append_printf (stringue, 
+                                        "@charset \"%s\" ;", str);
+                if (str) {
+                        g_free (str);
+                        str = NULL;
+                }
+        }
+        if (stringue) {
+                str = g_string_free (stringue, FALSE);
+        }
+        return str ;
+}
+
+
+/**
+ * cr_statement_at_page_rule_to_string:
+ *
+ *Serialises the at page rule statement into a string
+ *@a_this: the current instance of #CRStatement. Must
+ *be an "\@page" rule statement.
+ *
+ *Returns the serialized string. Must be freed by the caller
+ */
+static gchar *
+cr_statement_at_page_rule_to_string (CRStatement const *a_this,
+                                     gulong a_indent)
+{
+        GString *stringue = NULL;
+        gchar *result = NULL ;
+
+        stringue = g_string_new (NULL) ;
+
+        cr_utils_dump_n_chars2 (' ', stringue, a_indent) ;
+        g_string_append (stringue, "@page");
+	if (a_this->kind.page_rule->name
+	    && a_this->kind.page_rule->name->stryng) {
+		g_string_append_printf 
+		  (stringue, " %s",
+		   a_this->kind.page_rule->name->stryng->str) ;
+        } else {
+                g_string_append (stringue, " ");
+        }
+	if (a_this->kind.page_rule->pseudo
+	    && a_this->kind.page_rule->pseudo->stryng) {
+		g_string_append_printf 
+		  (stringue,  " :%s",
+		   a_this->kind.page_rule->pseudo->stryng->str) ;
+        }
+        if (a_this->kind.page_rule->decl_list) {
+                gchar *str = NULL ;
+                g_string_append (stringue, " {\n");
+                str = (gchar *) cr_declaration_list_to_string2
+                        (a_this->kind.page_rule->decl_list,
+                         a_indent + DECLARATION_INDENT_NB, TRUE) ;
+                if (str) {
+                        g_string_append (stringue, str) ;
+                        g_free (str) ;
+                        str = NULL ;
+                }
+                g_string_append (stringue, "\n}\n");
+        }
+        result = g_string_free (stringue, FALSE) ;
+        stringue = NULL ;
+        return result ;
+}
+
+
+/**
+ *Serializes an \@media statement.
+ *@param a_this the current instance of #CRStatement
+ *@param a_indent the number of spaces of indentation.
+ *@return the serialized \@media statement. Must be freed
+ *by the caller using g_free().
+ */
+static gchar *
+cr_statement_media_rule_to_string (CRStatement const *a_this,
+                                   gulong a_indent)
+{
+        gchar *str = NULL ;
+        GString *stringue = NULL ;
+        GList const *cur = NULL;
+
+        g_return_val_if_fail (a_this->type == AT_MEDIA_RULE_STMT,
+                              NULL);
+
+        if (a_this->kind.media_rule) {
+                stringue = g_string_new (NULL) ;                
+                cr_utils_dump_n_chars2 (' ', stringue, a_indent);
+                g_string_append (stringue, "@media");
+
+                for (cur = a_this->kind.media_rule->media_list; cur;
+                     cur = cur->next) {
+                        if (cur->data) {
+                                gchar *str2 = cr_string_dup2
+                                        ((CRString const *) cur->data);
+
+                                if (str2) {
+                                        if (cur->prev) {
+                                                g_string_append
+                                                        (stringue, 
+                                                         ",");
+                                        }
+                                        g_string_append_printf 
+                                                (stringue, 
+                                                 " %s", str2);
+                                        g_free (str2);
+                                        str2 = NULL;
+                                }
+                        }
+                }
+                g_string_append (stringue, " {\n");
+                str = cr_statement_list_to_string
+                        (a_this->kind.media_rule->rulesets,
+                         a_indent + DECLARATION_INDENT_NB) ;
+                if (str) {
+                        g_string_append (stringue, str) ;
+                        g_free (str) ;
+                        str = NULL ;
+                }
+                g_string_append (stringue, "\n}");
+        }
+        if (stringue) {
+                str = g_string_free (stringue, FALSE) ;
+        }
+        return str ;
+}
+
+
+static gchar *
+cr_statement_import_rule_to_string (CRStatement const *a_this,
+                                    gulong a_indent)
+{
+        GString *stringue = NULL ;
+        gchar *str = NULL;
+
+        g_return_val_if_fail (a_this
+                              && a_this->type == AT_IMPORT_RULE_STMT
+                              && a_this->kind.import_rule,
+                              NULL) ;
+
+        if (a_this->kind.import_rule->url
+            && a_this->kind.import_rule->url->stryng) { 
+                stringue = g_string_new (NULL) ;
+                g_return_val_if_fail (stringue, NULL) ;
+                str = g_strndup (a_this->kind.import_rule->url->stryng->str,
+                                 a_this->kind.import_rule->url->stryng->len);
+                cr_utils_dump_n_chars2 (' ', stringue, a_indent);
+                if (str) {
+                        g_string_append_printf (stringue,
+                                                "@import url(\"%s\")", 
+                                                str);
+                        g_free (str);
+                        str = NULL ;
+                } else          /*there is no url, so no import rule, get out! */
+                        return NULL;
+
+                if (a_this->kind.import_rule->media_list) {
+                        GList const *cur = NULL;
+
+                        for (cur = a_this->kind.import_rule->media_list;
+                             cur; cur = cur->next) {
+                                if (cur->data) {
+                                        CRString const *crstr = cur->data;
+
+                                        if (cur->prev) {
+                                                g_string_append 
+                                                        (stringue, ", ");
+                                        }
+                                        if (crstr 
+                                            && crstr->stryng
+                                            && crstr->stryng->str) {
+                                                g_string_append_len 
+                                                        (stringue,
+                                                         crstr->stryng->str,
+                                                         crstr->stryng->len) ;
+                                        }
+                                }
+                        }
+                }
+                g_string_append (stringue, " ;");
+        }
+        if (stringue) {
+                str = g_string_free (stringue, FALSE) ;
+                stringue = NULL ;
+        }
+        return str ;
+}
+
+
+/*******************
+ *public functions
+ ******************/
+
+/**
+ * cr_statement_does_buf_parses_against_core:
+ *
+ *@a_buf: the buffer to parse.
+ *@a_encoding: the character encoding of a_buf.
+ *
+ *Tries to parse a buffer and says whether if the content of the buffer
+ *is a css statement as defined by the "Core CSS Grammar" (chapter 4 of the
+ *css spec) or not.
+ *
+ *Returns TRUE if the buffer parses against the core grammar, false otherwise.
+ */
+gboolean
+cr_statement_does_buf_parses_against_core (const guchar * a_buf,
+                                           enum CREncoding a_encoding)
+{
+        CRParser *parser = NULL;
+        enum CRStatus status = CR_OK;
+        gboolean result = FALSE;
+
+        parser = cr_parser_new_from_buf ((guchar*)a_buf, strlen ((const char *) a_buf),
+                                         a_encoding, FALSE);
+        g_return_val_if_fail (parser, FALSE);
+
+        status = cr_parser_set_use_core_grammar (parser, TRUE);
+        if (status != CR_OK) {
+                goto cleanup;
+        }
+
+        status = cr_parser_parse_statement_core (parser);
+        if (status == CR_OK) {
+                result = TRUE;
+        }
+
+      cleanup:
+        if (parser) {
+                cr_parser_destroy (parser);
+        }
+
+        return result;
+}
+
+/**
+ * cr_statement_parse_from_buf:
+ *
+ *@a_buf: the buffer to parse.
+ *@a_encoding: the character encoding of a_buf.
+ *
+ *Parses a buffer that contains a css statement and returns 
+ *an instance of #CRStatement in case of successful parsing.
+ *TODO: at support of "\@import" rules.
+ *
+ *Returns the newly built instance of #CRStatement in case
+ *of successful parsing, NULL otherwise.
+ */
+CRStatement *
+cr_statement_parse_from_buf (const guchar * a_buf, enum CREncoding a_encoding)
+{
+        CRStatement *result = NULL;
+
+        /*
+         *The strategy of this function is "brute force".
+         *It tries to parse all the types of CRStatement it knows about.
+         *I could do this a smarter way but I don't have the time now.
+         *I think I will revisit this when time of performances and
+         *pull based incremental parsing comes.
+         */
+
+        result = cr_statement_ruleset_parse_from_buf (a_buf, a_encoding);
+        if (!result) {
+                result = cr_statement_at_charset_rule_parse_from_buf
+                        (a_buf, a_encoding);
+        } else {
+                goto out;
+        }
+
+        if (!result) {
+                result = cr_statement_at_media_rule_parse_from_buf
+                        (a_buf, a_encoding);
+        } else {
+                goto out;
+        }
+
+        if (!result) {
+                result = cr_statement_at_charset_rule_parse_from_buf
+                        (a_buf, a_encoding);
+        } else {
+                goto out;
+        }
+
+        if (!result) {
+                result = cr_statement_font_face_rule_parse_from_buf
+                        (a_buf, a_encoding);
+
+        } else {
+                goto out;
+        }
+
+        if (!result) {
+                result = cr_statement_at_page_rule_parse_from_buf
+                        (a_buf, a_encoding);
+        } else {
+                goto out;
+        }
+
+        if (!result) {
+                result = cr_statement_at_import_rule_parse_from_buf
+                        (a_buf, a_encoding);
+        } else {
+                goto out;
+        }
+
+      out:
+        return result;
+}
+
+/**
+ * cr_statement_ruleset_parse_from_buf:
+ *
+ *@a_buf: the buffer to parse.
+ *@a_enc: the character encoding of a_buf.
+ *
+ *Parses a buffer that contains a ruleset statement an instantiates
+ *a #CRStatement of type RULESET_STMT.
+ *
+ *Returns the newly built instance of #CRStatement in case of successful parsing,
+ *NULL otherwise.
+ */
+CRStatement *
+cr_statement_ruleset_parse_from_buf (const guchar * a_buf,
+                                     enum CREncoding a_enc)
+{
+        enum CRStatus status = CR_OK;
+        CRStatement *result = NULL;
+        CRStatement **resultptr = NULL;
+        CRParser *parser = NULL;
+        CRDocHandler *sac_handler = NULL;
+
+        g_return_val_if_fail (a_buf, NULL);
+
+        parser = cr_parser_new_from_buf ((guchar*)a_buf, strlen ((const char *) a_buf), 
+                                         a_enc, FALSE);
+
+        g_return_val_if_fail (parser, NULL);
+
+        sac_handler = cr_doc_handler_new ();
+        g_return_val_if_fail (parser, NULL);
+
+        sac_handler->start_selector = parse_ruleset_start_selector_cb;
+        sac_handler->end_selector = parse_ruleset_end_selector_cb;
+        sac_handler->property = parse_ruleset_property_cb;
+        sac_handler->unrecoverable_error =
+                parse_ruleset_unrecoverable_error_cb;
+
+        cr_parser_set_sac_handler (parser, sac_handler);
+        cr_parser_try_to_skip_spaces_and_comments (parser);
+        status = cr_parser_parse_ruleset (parser);
+        if (status != CR_OK) {
+                goto cleanup;
+        }
+
+	resultptr = &result;
+        status = cr_doc_handler_get_result (sac_handler,
+                                            (gpointer *) resultptr);
+        if (!((status == CR_OK) && result)) {
+                if (result) {
+                        cr_statement_destroy (result);
+                        result = NULL;
+                }
+        }
+
+      cleanup:
+        if (parser) {
+                cr_parser_destroy (parser);
+                parser = NULL;
+                sac_handler = NULL ;
+        }
+        if (sac_handler) {
+                cr_doc_handler_unref (sac_handler);
+                sac_handler = NULL;
+        }
+        return result;
+}
+
+/**
+ * cr_statement_new_ruleset:
+ *
+ *@a_sel_list: the list of #CRSimpleSel (selectors)
+ *the rule applies to.
+ *@a_decl_list: the list of instances of #CRDeclaration
+ *that composes the ruleset.
+ *@a_media_types: a list of instances of GString that
+ *describe the media list this ruleset applies to.
+ *
+ *Creates a new instance of #CRStatement of type
+ *#CRRulSet.
+ *
+ *Returns the new instance of #CRStatement or NULL if something
+ *went wrong.
+ */
+CRStatement *
+cr_statement_new_ruleset (CRStyleSheet * a_sheet,
+                          CRSelector * a_sel_list,
+                          CRDeclaration * a_decl_list,
+                          CRStatement * a_parent_media_rule)
+{
+        CRStatement *result = NULL;
+
+        g_return_val_if_fail (a_sel_list, NULL);
+
+        if (a_parent_media_rule) {
+                g_return_val_if_fail
+                        (a_parent_media_rule->type == AT_MEDIA_RULE_STMT,
+                         NULL);
+                g_return_val_if_fail (a_parent_media_rule->kind.media_rule,
+                                      NULL);
+        }
+
+        result = g_try_malloc (sizeof (CRStatement));
+
+        if (!result) {
+                cr_utils_trace_info ("Out of memory");
+                return NULL;
+        }
+
+        memset (result, 0, sizeof (CRStatement));
+        result->type = RULESET_STMT;
+        result->kind.ruleset = g_try_malloc (sizeof (CRRuleSet));
+
+        if (!result->kind.ruleset) {
+                cr_utils_trace_info ("Out of memory");
+                if (result)
+                        g_free (result);
+                return NULL;
+        }
+
+        memset (result->kind.ruleset, 0, sizeof (CRRuleSet));
+        result->kind.ruleset->sel_list = a_sel_list;
+        if (a_sel_list)
+                cr_selector_ref (a_sel_list);
+        result->kind.ruleset->decl_list = a_decl_list;
+
+        if (a_parent_media_rule) {
+                result->kind.ruleset->parent_media_rule = a_parent_media_rule;
+                a_parent_media_rule->kind.media_rule->rulesets =
+                        cr_statement_append
+                        (a_parent_media_rule->kind.media_rule->rulesets,
+                         result);
+        }
+
+        cr_statement_set_parent_sheet (result, a_sheet);
+
+        return result;
+}
+
+/**
+ * cr_statement_at_media_rule_parse_from_buf:
+ *
+ *@a_buf: the input to parse.
+ *@a_enc: the encoding of the buffer.
+ *
+ *Parses a buffer that contains an "\@media" declaration
+ *and builds an \@media css statement.
+ *
+ *Returns the \@media statement, or NULL if the buffer could not
+ *be successfully parsed.
+ */
+CRStatement *
+cr_statement_at_media_rule_parse_from_buf (const guchar * a_buf,
+                                           enum CREncoding a_enc)
+{
+        CRParser *parser = NULL;
+        CRStatement *result = NULL;
+        CRStatement **resultptr = NULL;
+        CRDocHandler *sac_handler = NULL;
+        enum CRStatus status = CR_OK;
+
+        parser = cr_parser_new_from_buf ((guchar*)a_buf, strlen ((const char *) a_buf), 
+                                         a_enc, FALSE);
+        if (!parser) {
+                cr_utils_trace_info ("Instantiation of the parser failed");
+                goto cleanup;
+        }
+
+        sac_handler = cr_doc_handler_new ();
+        if (!sac_handler) {
+                cr_utils_trace_info
+                        ("Instantiation of the sac handler failed");
+                goto cleanup;
+        }
+
+        sac_handler->start_media = parse_at_media_start_media_cb;
+        sac_handler->start_selector = parse_at_media_start_selector_cb;
+        sac_handler->property = parse_at_media_property_cb;
+        sac_handler->end_selector = parse_at_media_end_selector_cb;
+        sac_handler->end_media = parse_at_media_end_media_cb;
+        sac_handler->unrecoverable_error =
+                parse_at_media_unrecoverable_error_cb;
+
+        status = cr_parser_set_sac_handler (parser, sac_handler);
+        if (status != CR_OK)
+                goto cleanup;
+
+        status = cr_parser_try_to_skip_spaces_and_comments (parser);
+        if (status != CR_OK)
+                goto cleanup;
+
+        status = cr_parser_parse_media (parser);
+        if (status != CR_OK)
+                goto cleanup;
+
+	resultptr = &result;
+        status = cr_doc_handler_get_result (sac_handler,
+                                            (gpointer *) resultptr);
+        if (status != CR_OK)
+                goto cleanup;
+
+      cleanup:
+
+        if (parser) {
+                cr_parser_destroy (parser);
+                parser = NULL;
+                sac_handler = NULL ;
+        }
+        if (sac_handler) {
+                cr_doc_handler_unref (sac_handler);
+                sac_handler = NULL;
+        }
+
+        return result;
+}
+
+/**
+ * cr_statement_new_at_media_rule:
+ *
+ *@a_ruleset: the ruleset statements contained
+ *in the \@media rule.
+ *@a_media: the media string list. A list of GString pointers.
+ *
+ *Instantiates an instance of #CRStatement of type
+ *AT_MEDIA_RULE_STMT (\@media ruleset).
+ *
+ */
+CRStatement *
+cr_statement_new_at_media_rule (CRStyleSheet * a_sheet,
+                                CRStatement * a_rulesets, GList * a_media)
+{
+        CRStatement *result = NULL,
+                *cur = NULL;
+
+        if (a_rulesets)
+                g_return_val_if_fail (a_rulesets->type == RULESET_STMT, NULL);
+
+        result = g_try_malloc (sizeof (CRStatement));
+
+        if (!result) {
+                cr_utils_trace_info ("Out of memory");
+                return NULL;
+        }
+
+        memset (result, 0, sizeof (CRStatement));
+        result->type = AT_MEDIA_RULE_STMT;
+
+        result->kind.media_rule = g_try_malloc (sizeof (CRAtMediaRule));
+        if (!result->kind.media_rule) {
+                cr_utils_trace_info ("Out of memory");
+                g_free (result);
+                return NULL;
+        }
+        memset (result->kind.media_rule, 0, sizeof (CRAtMediaRule));
+        result->kind.media_rule->rulesets = a_rulesets;
+        for (cur = a_rulesets; cur; cur = cur->next) {
+                if (cur->type != RULESET_STMT || !cur->kind.ruleset) {
+                        cr_utils_trace_info ("Bad parameter a_rulesets. "
+                                             "It should be a list of "
+                                             "correct ruleset statement only !");
+                        goto error;
+                }
+                cur->kind.ruleset->parent_media_rule = result;
+        }
+
+        result->kind.media_rule->media_list = a_media;
+        if (a_sheet) {
+                cr_statement_set_parent_sheet (result, a_sheet);
+        }
+
+        return result;
+
+      error:
+        return NULL;
+}
+
+/**
+ * cr_statement_new_at_import_rule:
+ *
+ *@a_url: the url to connect to the get the file
+ *to be imported.
+ *@a_sheet: the imported parsed stylesheet.
+ *
+ *Creates a new instance of #CRStatment of type
+ *#CRAtImportRule.
+ *
+ *Returns the newly built instance of #CRStatement.
+ */
+CRStatement *
+cr_statement_new_at_import_rule (CRStyleSheet * a_container_sheet,
+                                 CRString * a_url,
+                                 GList * a_media_list,
+                                 CRStyleSheet * a_imported_sheet)
+{
+        CRStatement *result = NULL;
+
+        result = g_try_malloc (sizeof (CRStatement));
+
+        if (!result) {
+                cr_utils_trace_info ("Out of memory");
+                return NULL;
+        }
+
+        memset (result, 0, sizeof (CRStatement));
+        result->type = AT_IMPORT_RULE_STMT;
+
+        result->kind.import_rule = g_try_malloc (sizeof (CRAtImportRule));
+
+        if (!result->kind.import_rule) {
+                cr_utils_trace_info ("Out of memory");
+                g_free (result);
+                return NULL;
+        }
+
+        memset (result->kind.import_rule, 0, sizeof (CRAtImportRule));
+        result->kind.import_rule->url = a_url;
+        result->kind.import_rule->media_list = a_media_list;
+        result->kind.import_rule->sheet = a_imported_sheet;
+        if (a_container_sheet)
+                cr_statement_set_parent_sheet (result, a_container_sheet);
+
+        return result;
+}
+
+/**
+ * cr_statement_at_import_rule_parse_from_buf:
+ *
+ *@a_buf: the buffer to parse.
+ *@a_encoding: the encoding of a_buf.
+ *
+ *Parses a buffer that contains an "\@import" rule and
+ *instantiate a #CRStatement of type AT_IMPORT_RULE_STMT
+ *
+ *Returns the newly built instance of #CRStatement in case of 
+ *a successful parsing, NULL otherwise.
+ */
+CRStatement *
+cr_statement_at_import_rule_parse_from_buf (const guchar * a_buf,
+                                            enum CREncoding a_encoding)
+{
+        enum CRStatus status = CR_OK;
+        CRParser *parser = NULL;
+        CRStatement *result = NULL;
+        GList *media_list = NULL;
+        CRString *import_string = NULL;
+        CRParsingLocation location = {0} ;
+
+        parser = cr_parser_new_from_buf ((guchar*)a_buf, strlen ((const char *) a_buf),
+                                         a_encoding, FALSE);
+        if (!parser) {
+                cr_utils_trace_info ("Instantiation of parser failed.");
+                goto cleanup;
+        }
+
+        status = cr_parser_try_to_skip_spaces_and_comments (parser);
+        if (status != CR_OK)
+                goto cleanup;
+
+        status = cr_parser_parse_import (parser,
+                                         &media_list, 
+                                         &import_string,
+                                         &location);
+        if (status != CR_OK || !import_string)
+                goto cleanup;
+
+        result = cr_statement_new_at_import_rule (NULL, import_string,
+                                                  media_list, NULL);
+        if (result) {
+                cr_parsing_location_copy (&result->location,
+                                          &location) ;
+                import_string = NULL;
+                media_list = NULL;
+        }
+
+ cleanup:
+        if (parser) {
+                cr_parser_destroy (parser);
+                parser = NULL;
+        }
+        if (media_list) {
+                for (; media_list;
+                     media_list = g_list_next (media_list)) {
+                        if (media_list->data) {
+                                cr_string_destroy ((CRString*)media_list->data);
+                                media_list->data = NULL;
+                        }
+                }
+                g_list_free (media_list);
+                media_list = NULL;
+        }
+        if (import_string) {
+                cr_string_destroy (import_string);
+                import_string = NULL;
+        }
+
+        return result;
+}
+
+/**
+ * cr_statement_new_at_page_rule:
+ *
+ *@a_decl_list: a list of instances of #CRDeclarations
+ *which is actually the list of declarations that applies to
+ *this page rule.
+ *@a_selector: the page rule selector.
+ *
+ *Creates a new instance of #CRStatement of type
+ *#CRAtPageRule.
+ *
+ *Returns the newly built instance of #CRStatement or NULL
+ *in case of error.
+ */
+CRStatement *
+cr_statement_new_at_page_rule (CRStyleSheet * a_sheet,
+                               CRDeclaration * a_decl_list,
+                               CRString * a_name, CRString * a_pseudo)
+{
+        CRStatement *result = NULL;
+
+        result = g_try_malloc (sizeof (CRStatement));
+
+        if (!result) {
+                cr_utils_trace_info ("Out of memory");
+                return NULL;
+        }
+
+        memset (result, 0, sizeof (CRStatement));
+        result->type = AT_PAGE_RULE_STMT;
+
+        result->kind.page_rule = g_try_malloc (sizeof (CRAtPageRule));
+
+        if (!result->kind.page_rule) {
+                cr_utils_trace_info ("Out of memory");
+                g_free (result);
+                return NULL;
+        }
+
+        memset (result->kind.page_rule, 0, sizeof (CRAtPageRule));
+        if (a_decl_list) {
+                result->kind.page_rule->decl_list = a_decl_list;
+                cr_declaration_ref (a_decl_list);
+        }
+        result->kind.page_rule->name = a_name;
+        result->kind.page_rule->pseudo = a_pseudo;
+        if (a_sheet)
+                cr_statement_set_parent_sheet (result, a_sheet);
+
+        return result;
+}
+
+/**
+ * cr_statement_at_page_rule_parse_from_buf:
+ *
+ *@a_buf: the character buffer to parse.
+ *@a_encoding: the character encoding of a_buf.
+ *
+ *Parses a buffer that contains an "\@page" production and,
+ *if the parsing succeeds, builds the page statement.
+ *
+ *Returns the newly built at page statement in case of successful parsing,
+ *NULL otherwise.
+ */
+CRStatement *
+cr_statement_at_page_rule_parse_from_buf (const guchar * a_buf,
+                                          enum CREncoding a_encoding)
+{
+        enum CRStatus status = CR_OK;
+        CRParser *parser = NULL;
+        CRDocHandler *sac_handler = NULL;
+        CRStatement *result = NULL;
+        CRStatement **resultptr = NULL;
+
+        g_return_val_if_fail (a_buf, NULL);
+
+        parser = cr_parser_new_from_buf ((guchar*)a_buf, strlen ((const char *) a_buf),
+                                         a_encoding, FALSE);
+        if (!parser) {
+                cr_utils_trace_info ("Instantiation of the parser failed.");
+                goto cleanup;
+        }
+
+        sac_handler = cr_doc_handler_new ();
+        if (!sac_handler) {
+                cr_utils_trace_info
+                        ("Instantiation of the sac handler failed.");
+                goto cleanup;
+        }
+
+        sac_handler->start_page = parse_page_start_page_cb;
+        sac_handler->property = parse_page_property_cb;
+        sac_handler->end_page = parse_page_end_page_cb;
+        sac_handler->unrecoverable_error = parse_page_unrecoverable_error_cb;
+
+        status = cr_parser_set_sac_handler (parser, sac_handler);
+        if (status != CR_OK)
+                goto cleanup;
+
+        /*Now, invoke the parser to parse the "@page production" */
+        cr_parser_try_to_skip_spaces_and_comments (parser);
+        if (status != CR_OK)
+                goto cleanup;
+        status = cr_parser_parse_page (parser);
+        if (status != CR_OK)
+                goto cleanup;
+
+	resultptr = &result;
+        status = cr_doc_handler_get_result (sac_handler,
+                                            (gpointer *) resultptr);
+
+      cleanup:
+
+        if (parser) {
+                cr_parser_destroy (parser);
+                parser = NULL;
+                sac_handler = NULL ;
+        }
+        if (sac_handler) {
+                cr_doc_handler_unref (sac_handler);
+                sac_handler = NULL;
+        }
+        return result;
+}
+
+/**
+ * cr_statement_new_at_charset_rule:
+ *
+ *@a_charset: the string representing the charset.
+ *Note that the newly built instance of #CRStatement becomes
+ *the owner of a_charset. The caller must not free a_charset !!!.
+ *
+ *Creates a new instance of #CRStatement of type
+ *#CRAtCharsetRule.
+ *
+ *Returns the newly built instance of #CRStatement or NULL
+ *if an error arises.
+ */
+CRStatement *
+cr_statement_new_at_charset_rule (CRStyleSheet * a_sheet, 
+                                  CRString * a_charset)
+{
+        CRStatement *result = NULL;
+
+        g_return_val_if_fail (a_charset, NULL);
+
+        result = g_try_malloc (sizeof (CRStatement));
+
+        if (!result) {
+                cr_utils_trace_info ("Out of memory");
+                return NULL;
+        }
+
+        memset (result, 0, sizeof (CRStatement));
+        result->type = AT_CHARSET_RULE_STMT;
+
+        result->kind.charset_rule = g_try_malloc (sizeof (CRAtCharsetRule));
+
+        if (!result->kind.charset_rule) {
+                cr_utils_trace_info ("Out of memory");
+                g_free (result);
+                return NULL;
+        }
+        memset (result->kind.charset_rule, 0, sizeof (CRAtCharsetRule));
+        result->kind.charset_rule->charset = a_charset;
+        cr_statement_set_parent_sheet (result, a_sheet);
+
+        return result;
+}
+
+/**
+ * cr_statement_at_charset_rule_parse_from_buf:
+ *
+ *@a_buf: the buffer to parse.
+ *@a_encoding: the character encoding of the buffer.
+ *
+ *Parses a buffer that contains an '\@charset' rule and
+ *creates an instance of #CRStatement of type AT_CHARSET_RULE_STMT.
+ *
+ *Returns the newly built instance of #CRStatement.
+ */
+CRStatement *
+cr_statement_at_charset_rule_parse_from_buf (const guchar * a_buf,
+                                             enum CREncoding a_encoding)
+{
+        enum CRStatus status = CR_OK;
+        CRParser *parser = NULL;
+        CRStatement *result = NULL;
+        CRString *charset = NULL;
+
+        g_return_val_if_fail (a_buf, NULL);
+
+        parser = cr_parser_new_from_buf ((guchar*)a_buf, strlen ((const char *) a_buf),
+                                         a_encoding, FALSE);
+        if (!parser) {
+                cr_utils_trace_info ("Instantiation of the parser failed.");
+                goto cleanup;
+        }
+
+        /*Now, invoke the parser to parse the "@charset production" */
+        cr_parser_try_to_skip_spaces_and_comments (parser);
+        if (status != CR_OK)
+                goto cleanup;
+        status = cr_parser_parse_charset (parser, &charset, NULL);
+        if (status != CR_OK || !charset)
+                goto cleanup;
+
+        result = cr_statement_new_at_charset_rule (NULL, charset);
+        if (result)
+                charset = NULL;
+
+      cleanup:
+
+        if (parser) {
+                cr_parser_destroy (parser);
+                parser = NULL;
+        }
+        if (charset) {
+                cr_string_destroy (charset);
+        }
+
+        return result;
+}
+
+/**
+ * cr_statement_new_at_font_face_rule:
+ *
+ *@a_font_decls: a list of instances of #CRDeclaration. Each declaration
+ *is actually a font declaration.
+ *
+ *Creates an instance of #CRStatement of type #CRAtFontFaceRule.
+ *
+ *Returns the newly built instance of #CRStatement.
+ */
+CRStatement *
+cr_statement_new_at_font_face_rule (CRStyleSheet * a_sheet,
+                                    CRDeclaration * a_font_decls)
+{
+        CRStatement *result = NULL;
+
+        result = g_try_malloc (sizeof (CRStatement));
+
+        if (!result) {
+                cr_utils_trace_info ("Out of memory");
+                return NULL;
+        }
+        memset (result, 0, sizeof (CRStatement));
+        result->type = AT_FONT_FACE_RULE_STMT;
+
+        result->kind.font_face_rule = g_try_malloc
+                (sizeof (CRAtFontFaceRule));
+
+        if (!result->kind.font_face_rule) {
+                cr_utils_trace_info ("Out of memory");
+                g_free (result);
+                return NULL;
+        }
+        memset (result->kind.font_face_rule, 0, sizeof (CRAtFontFaceRule));
+
+        result->kind.font_face_rule->decl_list = a_font_decls;
+        if (a_sheet)
+                cr_statement_set_parent_sheet (result, a_sheet);
+
+        return result;
+}
+
+/**
+ * cr_statement_font_face_rule_parse_from_buf:
+ *
+ *
+ *@a_buf: the buffer to parse.
+ *@a_encoding: the character encoding of a_buf.
+ *
+ *Parses a buffer that contains an "\@font-face" rule and builds
+ *an instance of #CRStatement of type AT_FONT_FACE_RULE_STMT out of it.
+ *
+ *Returns the newly built instance of #CRStatement in case of successufull
+ *parsing, NULL otherwise.
+ */
+CRStatement *
+cr_statement_font_face_rule_parse_from_buf (const guchar * a_buf,
+                                            enum CREncoding a_encoding)
+{
+        CRStatement *result = NULL;
+        CRStatement **resultptr = NULL;
+        CRParser *parser = NULL;
+        CRDocHandler *sac_handler = NULL;
+        enum CRStatus status = CR_OK;
+
+        parser = cr_parser_new_from_buf ((guchar*)a_buf, strlen ((const char *) a_buf),
+                                         a_encoding, FALSE);
+        if (!parser)
+                goto cleanup;
+
+        sac_handler = cr_doc_handler_new ();
+        if (!sac_handler)
+                goto cleanup;
+
+        /*
+         *set sac callbacks here
+         */
+        sac_handler->start_font_face = parse_font_face_start_font_face_cb;
+        sac_handler->property = parse_font_face_property_cb;
+        sac_handler->end_font_face = parse_font_face_end_font_face_cb;
+        sac_handler->unrecoverable_error =
+                parse_font_face_unrecoverable_error_cb;
+
+        status = cr_parser_set_sac_handler (parser, sac_handler);
+        if (status != CR_OK)
+                goto cleanup;
+
+        /*
+         *cleanup spaces of comment that may be there before the real
+         *"@font-face" thing.
+         */
+        status = cr_parser_try_to_skip_spaces_and_comments (parser);
+        if (status != CR_OK)
+                goto cleanup;
+
+        status = cr_parser_parse_font_face (parser);
+        if (status != CR_OK)
+                goto cleanup;
+
+	resultptr = &result;
+        status = cr_doc_handler_get_result (sac_handler,
+                                            (gpointer *) resultptr);
+        if (status != CR_OK || !result)
+                goto cleanup;
+
+      cleanup:
+        if (parser) {
+                cr_parser_destroy (parser);
+                parser = NULL;
+                sac_handler = NULL ;
+        }
+        if (sac_handler) {
+                cr_doc_handler_unref (sac_handler);
+                sac_handler = NULL;
+        }
+        return result;
+}
+
+/**
+ * cr_statement_set_parent_sheet:
+ *
+ *@a_this: the current instance of #CRStatement.
+ *@a_sheet: the sheet that contains the current statement.
+ *
+ *Sets the container stylesheet.
+ *
+ *Returns CR_OK upon successful completion, an error code otherwise.
+ */
+enum CRStatus
+cr_statement_set_parent_sheet (CRStatement * a_this, CRStyleSheet * a_sheet)
+{
+        g_return_val_if_fail (a_this, CR_BAD_PARAM_ERROR);
+        a_this->parent_sheet = a_sheet;
+        return CR_OK;
+}
+
+/**
+ * cr_statement_get_parent_sheet:
+ *
+ *@a_this: the current #CRStatement.
+ *@a_sheet: out parameter. A pointer to the sheets that
+ *
+ *Gets the sheets that contains the current statement.
+ *
+ *Returns CR_OK upon successful completion, an error code otherwise.
+ */
+enum CRStatus
+cr_statement_get_parent_sheet (CRStatement * a_this, CRStyleSheet ** a_sheet)
+{
+        g_return_val_if_fail (a_this && a_sheet, CR_BAD_PARAM_ERROR);
+        *a_sheet = a_this->parent_sheet;
+        return CR_OK;
+}
+
+/**
+ * cr_statement_append:
+ *
+ *@a_this: the current instance of the statement list.
+ *@a_new: a_new the new instance of #CRStatement to append.
+ *
+ *Appends a new statement to the statement list.
+ *
+ *Returns the new list statement list, or NULL in cas of failure.
+ */
+CRStatement *
+cr_statement_append (CRStatement * a_this, CRStatement * a_new)
+{
+        CRStatement *cur = NULL;
+
+        g_return_val_if_fail (a_new, NULL);
+
+        if (!a_this) {
+                return a_new;
+        }
+
+        /*walk forward in the current list to find the tail list element */
+        for (cur = a_this; cur && cur->next; cur = cur->next) ;
+
+        cur->next = a_new;
+        a_new->prev = cur;
+
+        return a_this;
+}
+
+/**
+ * cr_statement_prepend:
+ *
+ *@a_this: the current instance of #CRStatement.
+ *@a_new: the new statement to prepend.
+ *
+ *Prepends the an instance of #CRStatement to
+ *the current statement list.
+ *
+ *Returns the new list with the new statement prepended,
+ *or NULL in case of an error.
+ */
+CRStatement *
+cr_statement_prepend (CRStatement * a_this, CRStatement * a_new)
+{
+        CRStatement *cur = NULL;
+
+        g_return_val_if_fail (a_new, NULL);
+
+        if (!a_this)
+                return a_new;
+
+        a_new->next = a_this;
+        a_this->prev = a_new;
+
+        /*walk backward in the prepended list to find the head list element */
+        for (cur = a_new; cur && cur->prev; cur = cur->prev) ;
+
+        return cur;
+}
+
+/**
+ * cr_statement_unlink:
+ *
+ *@a_this: the current statements list.
+ *@a_to_unlink: the statement to unlink from the list.
+ *
+ *Unlinks a statement from the statements list.
+ *
+ *Returns the new list where a_to_unlink has been unlinked
+ *from, or NULL in case of error.
+ */
+CRStatement *
+cr_statement_unlink (CRStatement * a_stmt)
+{
+        CRStatement *result = a_stmt;
+
+        g_return_val_if_fail (result, NULL);
+
+        /**
+         *Some sanity checks first
+         */
+        if (a_stmt->next) {
+                g_return_val_if_fail (a_stmt->next->prev == a_stmt, NULL);
+        }
+        if (a_stmt->prev) {
+                g_return_val_if_fail (a_stmt->prev->next == a_stmt, NULL);
+        }
+
+        /**
+         *Now, the real unlinking job.
+         */
+        if (a_stmt->next) {
+                a_stmt->next->prev = a_stmt->prev;
+        }
+        if (a_stmt->prev) {
+                a_stmt->prev->next = a_stmt->next;
+        }
+
+        if (a_stmt->parent_sheet
+            && a_stmt->parent_sheet->statements == a_stmt) {
+                a_stmt->parent_sheet->statements =
+                        a_stmt->parent_sheet->statements->next;
+        }
+
+        a_stmt->next = NULL;
+        a_stmt->prev = NULL;
+        a_stmt->parent_sheet = NULL;
+
+        return result;
+}
+
+/**
+ * cr_statement_nr_rules:
+ *
+ *@a_this: the current instance of #CRStatement.
+ *
+ *Gets the number of rules in the statement list;
+ *
+ *Returns number of rules in the statement list.
+ */
+gint
+cr_statement_nr_rules (CRStatement const * a_this)
+{
+        CRStatement const *cur = NULL;
+        int nr = 0;
+
+        g_return_val_if_fail (a_this, -1);
+
+        for (cur = a_this; cur; cur = cur->next)
+                nr++;
+        return nr;
+}
+
+/**
+ * cr_statement_get_from_list:
+ *
+ *@a_this: the current instance of #CRStatement.
+ *@itemnr: the index into the statement list.
+ *
+ *Use an index to get a CRStatement from the statement list.
+ *
+ *Returns CRStatement at position itemnr, if itemnr > number of statements - 1,
+ *it will return NULL.
+ */
+CRStatement *
+cr_statement_get_from_list (CRStatement * a_this, int itemnr)
+{
+        CRStatement *cur = NULL;
+        int nr = 0;
+
+        g_return_val_if_fail (a_this, NULL);
+
+        for (cur = a_this; cur; cur = cur->next)
+                if (nr++ == itemnr)
+                        return cur;
+        return NULL;
+}
+
+/**
+ * cr_statement_ruleset_set_sel_list:
+ *
+ *@a_this: the current ruleset statement.
+ *@a_sel_list: the selector list to set. Note
+ *that this function increments the ref count of a_sel_list.
+ *The sel list will be destroyed at the destruction of the
+ *current instance of #CRStatement.
+ *
+ *Sets a selector list to a ruleset statement.
+ *
+ *Returns CR_OK upon successful completion, an error code otherwise.
+ */
+enum CRStatus
+cr_statement_ruleset_set_sel_list (CRStatement * a_this,
+                                   CRSelector * a_sel_list)
+{
+        g_return_val_if_fail (a_this && a_this->type == RULESET_STMT,
+                              CR_BAD_PARAM_ERROR);
+
+        if (a_this->kind.ruleset->sel_list)
+                cr_selector_unref (a_this->kind.ruleset->sel_list);
+
+        a_this->kind.ruleset->sel_list = a_sel_list;
+
+        if (a_sel_list)
+                cr_selector_ref (a_sel_list);
+
+        return CR_OK;
+}
+
+/**
+ * cr_statement_ruleset_get_declarations:
+ *
+ *@a_this: the current instance of #CRStatement.
+ *@a_decl_list: out parameter. A pointer to the the returned
+ *list of declaration. Must not be NULL.
+ *
+ *Gets a pointer to the list of declaration contained
+ *in the ruleset statement.
+ *
+ *Returns CR_OK upon successful completion, an error code if something
+ *bad happened.
+ */
+enum CRStatus
+cr_statement_ruleset_get_declarations (CRStatement * a_this,
+                                       CRDeclaration ** a_decl_list)
+{
+        g_return_val_if_fail (a_this
+                              && a_this->type == RULESET_STMT
+                              && a_this->kind.ruleset
+                              && a_decl_list, CR_BAD_PARAM_ERROR);
+
+        *a_decl_list = a_this->kind.ruleset->decl_list;
+
+        return CR_OK;
+}
+
+/**
+ * cr_statement_ruleset_get_sel_list:
+ *
+ *@a_this: the current ruleset statement.
+ *@a_list: out parameter. The returned selector list,
+ *if and only if the function returned CR_OK.
+ *
+ *Gets a pointer to the selector list contained in
+ *the current ruleset statement.
+ *
+ *Returns CR_OK upon successful completion, an error code otherwise.
+ */
+enum CRStatus
+cr_statement_ruleset_get_sel_list (CRStatement const * a_this, CRSelector ** a_list)
+{
+        g_return_val_if_fail (a_this && a_this->type == RULESET_STMT
+                              && a_this->kind.ruleset, CR_BAD_PARAM_ERROR);
+
+        *a_list = a_this->kind.ruleset->sel_list;
+
+        return CR_OK;
+}
+
+/**
+ * cr_statement_ruleset_set_decl_list:
+ *
+ *@a_this: the current ruleset statement.
+ *@a_list: the declaration list to be added to the current
+ *ruleset statement.
+ *
+ *Sets a declaration list to the current ruleset statement.
+ *
+ *Returns CR_OK upon successful completion, an error code otherwise.
+ */
+enum CRStatus
+cr_statement_ruleset_set_decl_list (CRStatement * a_this,
+                                    CRDeclaration * a_list)
+{
+        g_return_val_if_fail (a_this && a_this->type == RULESET_STMT
+                              && a_this->kind.ruleset, CR_BAD_PARAM_ERROR);
+
+        if (a_this->kind.ruleset->decl_list == a_list)
+                return CR_OK;
+
+        if (a_this->kind.ruleset->sel_list) {
+                cr_declaration_destroy (a_this->kind.ruleset->decl_list);
+        }
+
+        a_this->kind.ruleset->sel_list = NULL;
+
+        return CR_OK;
+}
+
+/**
+ * cr_statement_ruleset_append_decl2:
+ *
+ *@a_this: the current statement.
+ *@a_prop: the property of the declaration.
+ *@a_value: the value of the declaration.
+ *
+ *Appends a declaration to the current ruleset statement.
+ *
+ *Returns CR_OK upon successful completion, an error code
+ *otherwise.
+ */
+enum CRStatus
+cr_statement_ruleset_append_decl2 (CRStatement * a_this,
+                                   CRString * a_prop, 
+                                   CRTerm * a_value)
+{
+        CRDeclaration *new_decls = NULL;
+
+        g_return_val_if_fail (a_this && a_this->type == RULESET_STMT
+                              && a_this->kind.ruleset, CR_BAD_PARAM_ERROR);
+
+        new_decls = cr_declaration_append2
+                (a_this->kind.ruleset->decl_list, 
+                 a_prop, a_value);
+        g_return_val_if_fail (new_decls, CR_ERROR);
+        a_this->kind.ruleset->decl_list = new_decls;
+
+        return CR_OK;
+}
+
+/**
+ * cr_statement_ruleset_append_decl:
+ *
+ *Appends a declaration to the current statement.
+ *
+ *@a_this: the current statement.
+ *@a_declaration: the declaration to append.
+ *
+ *Returns CR_OK upon successful completion, an error code
+ *otherwise.
+ */
+enum CRStatus
+cr_statement_ruleset_append_decl (CRStatement * a_this,
+                                  CRDeclaration * a_decl)
+{
+        CRDeclaration *new_decls = NULL;
+
+        g_return_val_if_fail (a_this && a_this->type == RULESET_STMT
+                              && a_this->kind.ruleset, CR_BAD_PARAM_ERROR);
+
+        new_decls = cr_declaration_append
+                (a_this->kind.ruleset->decl_list, a_decl);
+        g_return_val_if_fail (new_decls, CR_ERROR);
+        a_this->kind.ruleset->decl_list = new_decls;
+
+        return CR_OK;
+}
+
+/**
+ * cr_statement_at_import_rule_set_imported_sheet:
+ *
+ *Sets a stylesheet to the current \@import rule.
+ *@a_this: the current \@import rule.
+ *@a_sheet: the stylesheet. The stylesheet is owned
+ *by the current instance of #CRStatement, that is, the 
+ *stylesheet will be destroyed when the current instance
+ *of #CRStatement is destroyed.
+ *
+ *Returns CR_OK upon successful completion, an error code otherwise.
+ */
+enum CRStatus
+cr_statement_at_import_rule_set_imported_sheet (CRStatement * a_this,
+                                                CRStyleSheet * a_sheet)
+{
+        g_return_val_if_fail (a_this
+                              && a_this->type == AT_IMPORT_RULE_STMT
+                              && a_this->kind.import_rule,
+                              CR_BAD_PARAM_ERROR);
+
+        a_this->kind.import_rule->sheet = a_sheet;
+
+        return CR_OK;
+}
+
+/**
+ * cr_statement_at_import_rule_get_imported_sheet:
+ *
+ *@a_this: the current \@import rule statement.
+ *@a_sheet: out parameter. The returned stylesheet if and
+ *only if the function returns CR_OK.
+ *
+ *Gets the stylesheet contained by the \@import rule statement.
+ *Returns CR_OK upon successful completion, an error code otherwise.
+ */
+enum CRStatus
+cr_statement_at_import_rule_get_imported_sheet (CRStatement * a_this,
+                                                CRStyleSheet ** a_sheet)
+{
+        g_return_val_if_fail (a_this
+                              && a_this->type == AT_IMPORT_RULE_STMT
+                              && a_this->kind.import_rule,
+                              CR_BAD_PARAM_ERROR);
+        *a_sheet = a_this->kind.import_rule->sheet;
+        return CR_OK;
+
+}
+
+/**
+ * cr_statement_at_import_rule_set_url:
+ *
+ *@a_this: the current \@import rule statement.
+ *@a_url: the url to set.
+ *
+ *Sets an url to the current \@import rule statement.
+ *
+ *Returns CR_OK upon successful completion, an error code otherwise.
+ */
+enum CRStatus
+cr_statement_at_import_rule_set_url (CRStatement * a_this, 
+                                     CRString * a_url)
+{
+        g_return_val_if_fail (a_this
+                              && a_this->type == AT_IMPORT_RULE_STMT
+                              && a_this->kind.import_rule,
+                              CR_BAD_PARAM_ERROR);
+
+        if (a_this->kind.import_rule->url) {
+                cr_string_destroy (a_this->kind.import_rule->url);
+        }
+
+        a_this->kind.import_rule->url = a_url;
+
+        return CR_OK;
+}
+
+/**
+ * cr_statement_at_import_rule_get_url:
+ *
+ *@a_this: the current \@import rule statement.
+ *@a_url: out parameter. The returned url if
+ *and only if the function returned CR_OK.
+ *
+ *Gets the url of the \@import rule statement.
+ *Returns CR_OK upon successful completion, an error code otherwise.
+ */
+enum CRStatus
+cr_statement_at_import_rule_get_url (CRStatement const * a_this,
+                                     CRString ** a_url)
+{
+        g_return_val_if_fail (a_this
+                              && a_this->type == AT_IMPORT_RULE_STMT
+                              && a_this->kind.import_rule,
+                              CR_BAD_PARAM_ERROR);
+
+        *a_url = a_this->kind.import_rule->url;
+
+        return CR_OK;
+}
+
+/**
+ * cr_statement_at_media_nr_rules:
+ *
+ *@a_this: the current instance of #CRStatement.
+ *
+ *Returns the number of rules in the media rule;
+ */
+int
+cr_statement_at_media_nr_rules (CRStatement const * a_this)
+{
+        g_return_val_if_fail (a_this
+                              && a_this->type == AT_MEDIA_RULE_STMT
+                              && a_this->kind.media_rule, CR_BAD_PARAM_ERROR);
+
+        return cr_statement_nr_rules (a_this->kind.media_rule->rulesets);
+}
+
+/**
+ * cr_statement_at_media_get_from_list:
+ *
+ *@a_this: the current instance of #CRStatement.
+ *@itemnr: the index into the media rule list of rules.
+ *
+ *Use an index to get a CRStatement from the media rule list of rules.
+ *
+ *Returns CRStatement at position itemnr, if itemnr > number of rules - 1,
+ *it will return NULL.
+ */
+CRStatement *
+cr_statement_at_media_get_from_list (CRStatement * a_this, int itemnr)
+{
+        g_return_val_if_fail (a_this
+                              && a_this->type == AT_MEDIA_RULE_STMT
+                              && a_this->kind.media_rule, NULL);
+
+        return cr_statement_get_from_list (a_this->kind.media_rule->rulesets,
+                                           itemnr);
+}
+
+/**
+ * cr_statement_at_page_rule_set_declarations:
+ *
+ *@a_this: the current \@page rule statement.
+ *@a_decl_list: the declaration list to add. Will be freed
+ *by the current instance of #CRStatement when it is destroyed.
+ *
+ *Sets a declaration list to the current \@page rule statement.
+ *
+ *Returns CR_OK upon successful completion, an error code otherwise.
+ */
+enum CRStatus
+cr_statement_at_page_rule_set_declarations (CRStatement * a_this,
+                                            CRDeclaration * a_decl_list)
+{
+        g_return_val_if_fail (a_this
+                              && a_this->type == AT_PAGE_RULE_STMT
+                              && a_this->kind.page_rule, CR_BAD_PARAM_ERROR);
+
+        if (a_this->kind.page_rule->decl_list) {
+                cr_declaration_unref (a_this->kind.page_rule->decl_list);
+        }
+
+        a_this->kind.page_rule->decl_list = a_decl_list;
+
+        if (a_decl_list) {
+                cr_declaration_ref (a_decl_list);
+        }
+
+        return CR_OK;
+}
+
+/**
+ * cr_statement_at_page_rule_get_declarations:
+ *
+ *@a_this: the current \@page rule statement.
+ *@a_decl_list: out parameter. The returned declaration list.
+ *
+ *Gets the declaration list associated to the current \@page rule
+ *statement.
+ *
+ *Returns CR_OK upon successful completion, an error code otherwise.
+ */
+enum CRStatus
+cr_statement_at_page_rule_get_declarations (CRStatement * a_this,
+                                            CRDeclaration ** a_decl_list)
+{
+        g_return_val_if_fail (a_this
+                              && a_this->type == AT_PAGE_RULE_STMT
+                              && a_this->kind.page_rule, CR_BAD_PARAM_ERROR);
+
+        *a_decl_list = a_this->kind.page_rule->decl_list;
+
+        return CR_OK;
+}
+
+/**
+ * cr_statement_at_charset_rule_set_charset:
+ *
+ *
+ *@a_this: the current \@charset rule statement.
+ *@a_charset: the charset to set.
+ *
+ *Sets the charset of the current \@charset rule statement.
+ *
+ *Returns CR_OK upon successful completion, an error code otherwise.
+ */
+enum CRStatus
+cr_statement_at_charset_rule_set_charset (CRStatement * a_this,
+                                          CRString * a_charset)
+{
+        g_return_val_if_fail (a_this
+                              && a_this->type == AT_CHARSET_RULE_STMT
+                              && a_this->kind.charset_rule,
+                              CR_BAD_PARAM_ERROR);
+
+        if (a_this->kind.charset_rule->charset) {
+                cr_string_destroy (a_this->kind.charset_rule->charset);
+        }
+        a_this->kind.charset_rule->charset = a_charset;
+        return CR_OK;
+}
+
+/**
+ * cr_statement_at_charset_rule_get_charset:
+ *@a_this: the current \@charset rule statement.
+ *@a_charset: out parameter. The returned charset string if
+ *and only if the function returned CR_OK.
+ *
+ *Gets the charset string associated to the current
+ *\@charset rule statement.
+ *
+ * Returns CR_OK upon successful completion, an error code otherwise.
+ */
+enum CRStatus
+cr_statement_at_charset_rule_get_charset (CRStatement const * a_this,
+                                          CRString ** a_charset)
+{
+        g_return_val_if_fail (a_this
+                              && a_this->type == AT_CHARSET_RULE_STMT
+                              && a_this->kind.charset_rule,
+                              CR_BAD_PARAM_ERROR);
+
+        *a_charset = a_this->kind.charset_rule->charset;
+
+        return CR_OK;
+}
+
+/**
+ * cr_statement_at_font_face_rule_set_decls:
+ *
+ *@a_this: the current \@font-face rule statement.
+ *@a_decls: the declarations list to set.
+ *
+ *Sets a declaration list to the current \@font-face rule statement.
+ *
+ *Returns CR_OK upon successful completion, an error code otherwise.
+ */
+enum CRStatus
+cr_statement_at_font_face_rule_set_decls (CRStatement * a_this,
+                                          CRDeclaration * a_decls)
+{
+        g_return_val_if_fail (a_this
+                              && a_this->type == AT_FONT_FACE_RULE_STMT
+                              && a_this->kind.font_face_rule,
+                              CR_BAD_PARAM_ERROR);
+
+        if (a_this->kind.font_face_rule->decl_list) {
+                cr_declaration_unref (a_this->kind.font_face_rule->decl_list);
+        }
+
+        a_this->kind.font_face_rule->decl_list = a_decls;
+        cr_declaration_ref (a_decls);
+
+        return CR_OK;
+}
+
+/**
+ * cr_statement_at_font_face_rule_get_decls:
+ *
+ *@a_this: the current \@font-face rule statement.
+ *@a_decls: out parameter. The returned declaration list if
+ *and only if this function returns CR_OK.
+ *
+ *Gets the declaration list associated to the current instance
+ *of \@font-face rule statement.
+ *
+ *Returns CR_OK upon successful completion, an error code otherwise.
+ */
+enum CRStatus
+cr_statement_at_font_face_rule_get_decls (CRStatement * a_this,
+                                          CRDeclaration ** a_decls)
+{
+        g_return_val_if_fail (a_this
+                              && a_this->type == AT_FONT_FACE_RULE_STMT
+                              && a_this->kind.font_face_rule,
+                              CR_BAD_PARAM_ERROR);
+
+        *a_decls = a_this->kind.font_face_rule->decl_list;
+
+        return CR_OK;
+}
+
+/**
+ * cr_statement_at_font_face_rule_add_decl:
+ *
+ *@a_this: the current \@font-face rule statement.
+ *@a_prop: the property of the declaration.
+ *@a_value: the value of the declaration.
+ *
+ *Adds a declaration to the current \@font-face rule
+ *statement.
+ *
+ *Returns CR_OK upon successful completion, an error code otherwise.
+ */
+enum CRStatus
+cr_statement_at_font_face_rule_add_decl (CRStatement * a_this,
+                                         CRString * a_prop, CRTerm * a_value)
+{
+        CRDeclaration *decls = NULL;
+
+        g_return_val_if_fail (a_this
+                              && a_this->type == AT_FONT_FACE_RULE_STMT
+                              && a_this->kind.font_face_rule,
+                              CR_BAD_PARAM_ERROR);
+
+        decls = cr_declaration_append2
+                (a_this->kind.font_face_rule->decl_list, 
+                 a_prop, a_value);
+
+        g_return_val_if_fail (decls, CR_ERROR);
+
+        if (a_this->kind.font_face_rule->decl_list == NULL)
+                cr_declaration_ref (decls);
+
+        a_this->kind.font_face_rule->decl_list = decls;
+
+        return CR_OK;
+}
+
+
+/**
+ * cr_statement_to_string:
+ *
+ *@a_this: the current statement to serialize
+ *@a_indent: the number of white space of indentation.
+ *
+ *Serializes a css statement into a string
+ *
+ *Returns the serialized statement. Must be freed by the caller
+ *using g_free().
+ */
+gchar *
+cr_statement_to_string (CRStatement const * a_this, gulong a_indent)
+{
+        gchar *str = NULL ;
+
+        if (!a_this)
+                return NULL;
+
+        switch (a_this->type) {
+        case RULESET_STMT:
+                str = cr_statement_ruleset_to_string 
+                        (a_this, a_indent);
+                break;
+
+        case AT_FONT_FACE_RULE_STMT:
+                str = cr_statement_font_face_rule_to_string 
+                        (a_this, a_indent) ;
+                break;
+
+        case AT_CHARSET_RULE_STMT:
+                str = cr_statement_charset_to_string
+                        (a_this, a_indent);                
+                break;
+
+        case AT_PAGE_RULE_STMT:
+                str = cr_statement_at_page_rule_to_string
+                        (a_this, a_indent);
+                break;
+
+        case AT_MEDIA_RULE_STMT:
+                str = cr_statement_media_rule_to_string
+                        (a_this, a_indent);
+                break;
+
+        case AT_IMPORT_RULE_STMT:
+                str = cr_statement_import_rule_to_string
+                        (a_this, a_indent);
+                break;
+
+        default:
+                cr_utils_trace_info ("Statement unrecognized");
+                break;
+        }
+        return str ;
+}
+
+gchar*
+cr_statement_list_to_string (CRStatement const *a_this, gulong a_indent)
+{
+        CRStatement const *cur_stmt = NULL ;
+        GString *stringue = NULL ;
+        gchar *str = NULL ;
+
+        g_return_val_if_fail (a_this, NULL) ;
+
+        stringue = g_string_new (NULL) ;
+        if (!stringue) {
+                cr_utils_trace_info ("Out of memory") ;
+                return NULL ;
+        }
+        for (cur_stmt = a_this ; cur_stmt;
+             cur_stmt = cur_stmt->next) {
+                str = cr_statement_to_string (cur_stmt, a_indent) ;
+                if (str) {
+                        if (!cur_stmt->prev) {
+                                g_string_append (stringue, str) ;
+                        } else {
+                                g_string_append_printf 
+                                        (stringue, "\n%s", str) ;
+                        }
+                        g_free (str) ;
+                        str = NULL ;
+                }                
+        }
+        str = g_string_free (stringue, FALSE) ;
+        return str ;
+}
+
+/**
+ * cr_statement_dump:
+ *
+ *@a_this: the current css2 statement.
+ *@a_fp: the destination file pointer.
+ *@a_indent: the number of white space indentation characters.
+ *
+ *Dumps the css2 statement to a file.
+ */
+void
+cr_statement_dump (CRStatement const * a_this, FILE * a_fp, gulong a_indent)
+{
+        gchar *str = NULL ;
+
+        if (!a_this)
+                return;
+
+        str = cr_statement_to_string (a_this, a_indent) ;
+        if (str) {
+                fprintf (a_fp, "%s",str) ;
+                g_free (str) ;
+                str = NULL ;
+        }
+}
+
+/**
+ * cr_statement_dump_ruleset:
+ *
+ *@a_this: the current instance of #CRStatement.
+ *@a_fp: the destination file pointer.
+ *@a_indent: the number of indentation white spaces to add.
+ *
+ *Dumps a ruleset statement to a file.
+ */
+void
+cr_statement_dump_ruleset (CRStatement const * a_this, FILE * a_fp, glong a_indent)
+{
+        gchar *str = NULL;
+
+        g_return_if_fail (a_fp && a_this);
+        str = cr_statement_ruleset_to_string (a_this, a_indent);
+        if (str) {
+                fprintf (a_fp, "%s", str);
+                g_free (str);
+                str = NULL;
+        }
+}
+
+/**
+ * cr_statement_dump_font_face_rule:
+ *
+ *@a_this: the current instance of font face rule statement.
+ *@a_fp: the destination file pointer.
+ *@a_indent: the number of white space indentation.
+ *
+ *Dumps a font face rule statement to a file.
+ */
+void
+cr_statement_dump_font_face_rule (CRStatement const * a_this, FILE * a_fp,
+                                  glong a_indent)
+{
+        gchar *str = NULL ;
+        g_return_if_fail (a_this 
+                          && a_this->type == AT_FONT_FACE_RULE_STMT);
+
+        str = cr_statement_font_face_rule_to_string (a_this,
+                                                     a_indent) ;
+        if (str) {
+                fprintf (a_fp, "%s", str) ;
+                g_free (str) ;
+                str = NULL ;
+        }
+}
+
+/**
+ * cr_statement_dump_charset:
+ *
+ *@a_this: the current instance of the \@charset rule statement.
+ *@a_fp: the destination file pointer.
+ *@a_indent: the number of indentation white spaces.
+ *
+ *Dumps an \@charset rule statement to a file.
+ */
+void
+cr_statement_dump_charset (CRStatement const * a_this, FILE * a_fp, gulong a_indent)
+{
+        gchar *str = NULL;
+
+        g_return_if_fail (a_this && a_this->type == AT_CHARSET_RULE_STMT);
+
+        str = cr_statement_charset_to_string (a_this,
+                                              a_indent) ;
+        if (str) {
+                fprintf (a_fp, "%s", str) ;
+                g_free (str) ;
+                str = NULL ;
+        }
+}
+
+
+/**
+ * cr_statement_dump_page:
+ *
+ *@a_this: the statement to dump on stdout.
+ *@a_fp: the destination file pointer.
+ *@a_indent: the number of indentation white spaces.
+ *
+ *Dumps an \@page rule statement on stdout.
+ */
+void
+cr_statement_dump_page (CRStatement const * a_this, FILE * a_fp, gulong a_indent)
+{
+        gchar *str = NULL;
+
+        g_return_if_fail (a_this
+                          && a_this->type == AT_PAGE_RULE_STMT
+                          && a_this->kind.page_rule);
+
+        str = cr_statement_at_page_rule_to_string (a_this, a_indent) ;
+        if (str) {
+                fprintf (a_fp, "%s", str);
+                g_free (str) ;
+                str = NULL ; 
+        }
+}
+
+
+/**
+ * cr_statement_dump_media_rule:
+ *
+ *@a_this: the statement to dump.
+ *@a_fp: the destination file pointer
+ *@a_indent: the number of white spaces indentation.
+ *
+ *Dumps an \@media rule statement to a file.
+ */
+void
+cr_statement_dump_media_rule (CRStatement const * a_this,
+                              FILE * a_fp,
+                              gulong a_indent)
+{
+        gchar *str = NULL ;
+        g_return_if_fail (a_this->type == AT_MEDIA_RULE_STMT);
+
+        str = cr_statement_media_rule_to_string (a_this, a_indent) ;
+        if (str) {
+                fprintf (a_fp, "%s", str) ;
+                g_free (str) ;
+                str = NULL ;
+        }
+}
+
+/**
+ * cr_statement_dump_import_rule:
+ *
+ *@a_fp: the destination file pointer.
+ *@a_indent: the number of white space indentations.
+ *
+ *Dumps an \@import rule statement to a file.
+ */
+void
+cr_statement_dump_import_rule (CRStatement const * a_this, FILE * a_fp,
+                               gulong a_indent)
+{
+        gchar *str = NULL ;
+        g_return_if_fail (a_this
+                          && a_this->type == AT_IMPORT_RULE_STMT
+                          && a_fp
+                          && a_this->kind.import_rule);
+
+        str = cr_statement_import_rule_to_string (a_this, a_indent) ;
+        if (str) {
+                fprintf (a_fp, "%s", str) ;
+                g_free (str) ;
+                str = NULL ;
+        }
+}
+
+/**
+ * cr_statement_destroy:
+ *
+ * @a_this: the current instance of #CRStatement.
+ *
+ *Destructor of #CRStatement.
+ */
+void
+cr_statement_destroy (CRStatement * a_this)
+{
+        CRStatement *cur = NULL;
+
+        g_return_if_fail (a_this);
+
+        /*go get the tail of the list */
+        for (cur = a_this; cur && cur->next; cur = cur->next) {
+                cr_statement_clear (cur);
+        }
+
+        if (cur)
+                cr_statement_clear (cur);
+
+        if (cur->prev == NULL) {
+                g_free (a_this);
+                return;
+        }
+
+        /*walk backward and free next element */
+        for (cur = cur->prev; cur && cur->prev; cur = cur->prev) {
+                if (cur->next) {
+                        g_free (cur->next);
+                        cur->next = NULL;
+                }
+        }
+
+        if (!cur)
+                return;
+
+        /*free the one remaining list */
+        if (cur->next) {
+                g_free (cur->next);
+                cur->next = NULL;
+        }
+
+        g_free (cur);
+        cur = NULL;
+}