Adding upstream version 1.2.2.upstream/1.2.2upstream

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

1 files changed, 268 insertions, 0 deletions

diff --git a/src/3rdparty/libcroco/cr-stylesheet.c b/src/3rdparty/libcroco/cr-stylesheet.c
new file mode 100644
index 0000000..2ea0fa6
--- /dev/null
+++ b/src/3rdparty/libcroco/cr-stylesheet.c
@@ -0,0 +1,268 @@
+/* -*- Mode: C; indent-tabs-mode: nil; c-basic-offset: 8 -*- */
+
+/*
+ * This file is part of The Croco Library
+ *
+ * Copyright (C) 2002-2004 Dodji Seketeli
+ *
+ * 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
+ */
+
+#include "string.h"
+#include "cr-stylesheet.h"
+
+/**
+ *@file
+ *The definition of the #CRStyleSheet class
+ */
+
+/**
+ *Constructor of the #CRStyleSheet class.
+ *@param the initial list of css statements.
+ *@return the newly built css2 stylesheet, or NULL in case of error.
+ */
+CRStyleSheet *
+cr_stylesheet_new (CRStatement * a_stmts)
+{
+        CRStyleSheet *result;
+
+        result = (CRStyleSheet *) g_try_malloc (sizeof (CRStyleSheet));
+        if (!result) {
+                cr_utils_trace_info ("Out of memory");
+                return NULL;
+        }
+
+        memset (result, 0, sizeof (CRStyleSheet));
+
+        if (a_stmts)
+                result->statements = a_stmts;
+
+        result->ref_count = 1;
+
+        return result;
+}
+
+/**
+ *@param a_this the current instance of #CRStyleSheet
+ *@return the serialized stylesheet.
+ */
+gchar *
+cr_stylesheet_to_string (CRStyleSheet const *a_this)
+{
+	gchar *str = NULL;
+	GString *stringue = NULL;
+	CRStatement const *cur_stmt = NULL;
+
+        g_return_val_if_fail (a_this, NULL);
+
+        stringue = g_string_new (NULL) ;
+        g_return_val_if_fail (stringue, NULL) ;
+
+        for (cur_stmt = a_this->statements;
+             cur_stmt; cur_stmt = cur_stmt->next) {
+		if (cur_stmt->prev) {
+			g_string_append (stringue, "\n\n") ;
+		}
+		str = cr_statement_to_string (cur_stmt, 0) ;
+		if (str) {
+			g_string_append (stringue, str) ;
+			g_free (str) ;
+			str = NULL ;
+		}
+        }
+
+        if (a_this->next) {
+                str = cr_stylesheet_to_string (a_this->next);
+                if (str) {
+                        g_string_append (stringue, "\n") ;
+                        g_string_append (stringue, str) ;
+                        g_free (str) ;
+                        str = NULL ;
+                }
+        }
+
+	if (stringue) {
+		str = stringue->str ;
+		g_string_free (stringue, FALSE) ;
+		stringue = NULL ;
+	}
+	return str ;
+}
+
+/**
+ *Dumps the current css2 stylesheet to a file.
+ *@param a_this the current instance of #CRStyleSheet.
+ *@param a_fp the destination file
+ */
+void
+cr_stylesheet_dump (CRStyleSheet const * a_this, FILE * a_fp)
+{
+	gchar *str = NULL ;
+
+        g_return_if_fail (a_this);
+
+	str = cr_stylesheet_to_string (a_this) ;
+	if (str) {
+		fprintf (a_fp, "%s", str) ;
+		g_free (str) ;
+		str = NULL ;
+	}
+}
+
+/**
+ *Return the number of rules in the stylesheet.
+ *@param a_this the current instance of #CRStyleSheet.
+ *@return number of rules in the stylesheet.
+ */
+gint
+cr_stylesheet_nr_rules (CRStyleSheet const * a_this)
+{
+        g_return_val_if_fail (a_this, -1);
+
+        return cr_statement_nr_rules (a_this->statements);
+}
+
+/**
+ *Use an index to get a CRStatement from the rules in a given stylesheet.
+ *@param a_this the current instance of #CRStatement.
+ *@param itemnr the index into the rules.
+ *@return CRStatement at position itemnr, if itemnr > number of rules - 1,
+ *it will return NULL.
+ */
+CRStatement *
+cr_stylesheet_statement_get_from_list (CRStyleSheet * a_this, int itemnr)
+{
+        g_return_val_if_fail (a_this, NULL);
+
+        return cr_statement_get_from_list (a_this->statements, itemnr);
+}
+
+/**
+ *Appends a new stylesheet to the current list of #CRStylesheet, setting
+ *the "origin" of the new stylesheet to be the same as the others in list.
+ *
+ *@param a_this the "this pointer" of the current instance
+ *of #CRStylesheet .
+ *@param a_new_stylesheet the stylesheet to append.
+ *@return the list of stylesheets with the a_new_stylesheet appended to it.
+ */
+CRStyleSheet *
+cr_stylesheet_append_stylesheet (CRStyleSheet * a_this, CRStyleSheet * a_new_stylesheet)
+{
+        CRStyleSheet *cur = NULL;
+
+        g_return_val_if_fail (a_new_stylesheet, NULL);
+
+        if (a_this == NULL)
+                return a_new_stylesheet;
+
+        for (cur = a_this; cur->next; cur = cur->next) ;
+
+        cur->next = a_new_stylesheet;
+        a_new_stylesheet->prev = cur;
+
+        /* The "origin" must apriori be the same for all stylesheets
+           in a list. We must set it correctly or errors will occur in
+           put_css_properties_in_props_list(). The "origin" of the initial
+           stylesheet in the list is set in cr_cascade_set_sheet(). */
+        a_new_stylesheet->origin = cur->origin;
+
+        return a_this;
+}
+
+/**
+ * cr_stylesheet_unlink:
+ *@a_this: the stylesheet to unlink.
+ *
+ *Unlinks the stylesheet from the stylesheet list.
+ *
+ *Returns a pointer to the unlinked stylesheet in
+ *case of a successfull completion, NULL otherwise.
+ */
+CRStyleSheet *
+cr_stylesheet_unlink (CRStyleSheet * a_this)
+{
+        CRStyleSheet *result = a_this;
+
+        g_return_val_if_fail (result, NULL);
+
+        /*
+         *some sanity checks first
+         */
+        if (a_this->prev) {
+                g_return_val_if_fail (a_this->prev->next == a_this, NULL);
+
+        }
+        if (a_this->next) {
+                g_return_val_if_fail (a_this->next->prev == a_this, NULL);
+        }
+
+        /*
+         *now, the real unlinking job.
+         */
+        if (a_this->prev) {
+                a_this->prev->next = a_this->next;
+        }
+        if (a_this->next) {
+                a_this->next->prev = a_this->prev;
+        }
+
+        a_this->next = NULL;
+        a_this->prev = NULL;
+
+        return a_this;
+}
+
+void
+cr_stylesheet_ref (CRStyleSheet * a_this)
+{
+        g_return_if_fail (a_this);
+
+        a_this->ref_count++;
+}
+
+gboolean
+cr_stylesheet_unref (CRStyleSheet * a_this)
+{
+        g_return_val_if_fail (a_this, FALSE);
+
+        if (!--a_this->ref_count) {
+                cr_stylesheet_destroy (a_this);
+                return TRUE;
+        }
+
+        return FALSE;
+}
+
+/**
+ *Destructor of the #CRStyleSheet class.
+ *@param a_this the current instance of the #CRStyleSheet class.
+ */
+void
+cr_stylesheet_destroy (CRStyleSheet * a_this)
+{
+        g_return_if_fail (a_this);
+
+        if (a_this->statements) {
+                cr_statement_destroy (a_this->statements);
+                a_this->statements = NULL;
+        }
+
+        if (a_this->next) {
+                cr_stylesheet_destroy (a_this->next);
+        }
+
+        g_free (a_this);
+}