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Diffstat (limited to 'src/st/croco/cr-additional-sel.c')
-rw-r--r-- | src/st/croco/cr-additional-sel.c | 500 |
1 files changed, 500 insertions, 0 deletions
diff --git a/src/st/croco/cr-additional-sel.c b/src/st/croco/cr-additional-sel.c new file mode 100644 index 0000000..768ec75 --- /dev/null +++ b/src/st/croco/cr-additional-sel.c @@ -0,0 +1,500 @@ +/* -*- 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 file for copyright information. + * + */ + +#include "cr-additional-sel.h" +#include "string.h" + +/** + * CRAdditionalSel: + * + * #CRAdditionalSel abstracts an additional selector. + * An additional selector is the selector part + * that comes after the combination of type selectors. + * It can be either "a class selector (the .class part), + * a pseudo class selector, an attribute selector + * or an id selector. + */ + +/** + * cr_additional_sel_new: + * + * Default constructor of #CRAdditionalSel. + * Returns the newly build instance of #CRAdditionalSel. + */ +CRAdditionalSel * +cr_additional_sel_new (void) +{ + CRAdditionalSel *result = NULL; + + result = g_try_malloc (sizeof (CRAdditionalSel)); + + if (result == NULL) { + cr_utils_trace_debug ("Out of memory"); + return NULL; + } + + memset (result, 0, sizeof (CRAdditionalSel)); + + return result; +} + +/** + * cr_additional_sel_new_with_type: + * @a_sel_type: the type of the newly built instance + * of #CRAdditionalSel. + * + * Constructor of #CRAdditionalSel. + * Returns the newly built instance of #CRAdditionalSel. + */ +CRAdditionalSel * +cr_additional_sel_new_with_type (enum AddSelectorType a_sel_type) +{ + CRAdditionalSel *result = NULL; + + result = cr_additional_sel_new (); + + g_return_val_if_fail (result, NULL); + + result->type = a_sel_type; + + return result; +} + +/** + * cr_additional_sel_set_class_name: + * @a_this: the "this pointer" of the current instance + * of #CRAdditionalSel . + * @a_class_name: the new class name to set. + * + * Sets a new class name to a + * CLASS additional selector. + */ +void +cr_additional_sel_set_class_name (CRAdditionalSel * a_this, + CRString * a_class_name) +{ + g_return_if_fail (a_this && a_this->type == CLASS_ADD_SELECTOR); + + if (a_this->content.class_name) { + cr_string_destroy (a_this->content.class_name); + } + + a_this->content.class_name = a_class_name; +} + +/** + * cr_additional_sel_set_id_name: + * @a_this: the "this pointer" of the current instance + * of #CRAdditionalSel . + * @a_id: the new id to set. + * + * Sets a new id name to an + * ID additional selector. + */ +void +cr_additional_sel_set_id_name (CRAdditionalSel * a_this, CRString * a_id) +{ + g_return_if_fail (a_this && a_this->type == ID_ADD_SELECTOR); + + if (a_this->content.id_name) { + cr_string_destroy (a_this->content.id_name); + } + + a_this->content.id_name = a_id; +} + +/** + * cr_additional_sel_set_pseudo: + * @a_this: the "this pointer" of the current instance + * of #CRAdditionalSel . + * @a_pseudo: the new pseudo to set. + * + * Sets a new pseudo to a + * PSEUDO additional selector. + */ +void +cr_additional_sel_set_pseudo (CRAdditionalSel * a_this, CRPseudo * a_pseudo) +{ + g_return_if_fail (a_this + && a_this->type == PSEUDO_CLASS_ADD_SELECTOR); + + if (a_this->content.pseudo) { + cr_pseudo_destroy (a_this->content.pseudo); + } + + a_this->content.pseudo = a_pseudo; +} + +/** + * cr_additional_sel_set_attr_sel: + * @a_this: the "this pointer" of the current instance + * of #CRAdditionalSel . + * @a_sel: the new instance of #CRAttrSel to set. + * + * Sets a new instance of #CRAttrSel to + * a ATTRIBUTE additional selector. + */ +void +cr_additional_sel_set_attr_sel (CRAdditionalSel * a_this, CRAttrSel * a_sel) +{ + g_return_if_fail (a_this && a_this->type == ATTRIBUTE_ADD_SELECTOR); + + if (a_this->content.attr_sel) { + cr_attr_sel_destroy (a_this->content.attr_sel); + } + + a_this->content.attr_sel = a_sel; +} + +/** + * cr_additional_sel_append: + * @a_this: the "this pointer" of the current instance + * of #CRAdditionalSel . + * @a_sel: the new instance to #CRAdditional to append. + * + * Appends a new instance of #CRAdditional to the + * current list of #CRAdditional. + * + * Returns the new list of CRAdditionalSel or NULL if an error arises. + */ +CRAdditionalSel * +cr_additional_sel_append (CRAdditionalSel * a_this, CRAdditionalSel * a_sel) +{ + CRAdditionalSel *cur_sel = NULL; + + g_return_val_if_fail (a_sel, NULL); + + if (a_this == NULL) { + return a_sel; + } + + if (a_sel == NULL) + return NULL; + + for (cur_sel = a_this; + cur_sel && cur_sel->next; cur_sel = cur_sel->next) ; + + g_return_val_if_fail (cur_sel != NULL, NULL); + + cur_sel->next = a_sel; + a_sel->prev = cur_sel; + + return a_this; +} + +/** + * cr_additional_sel_prepend: + * @a_this: the "this pointer" of the current instance + * of #CRAdditionalSel . + * @a_sel: the new instance to #CRAdditional to preappend. + * + * Preppends a new instance of #CRAdditional to the + * current list of #CRAdditional. + * + * Returns the new list of CRAdditionalSel or NULL if an error arises. + */ +CRAdditionalSel * +cr_additional_sel_prepend (CRAdditionalSel * a_this, CRAdditionalSel * a_sel) +{ + g_return_val_if_fail (a_sel, NULL); + + if (a_this == NULL) { + return a_sel; + } + + a_sel->next = a_this; + a_this->prev = a_sel; + + return a_sel; +} + +guchar * +cr_additional_sel_to_string (CRAdditionalSel const * a_this) +{ + guchar *result = NULL; + GString *str_buf = NULL; + CRAdditionalSel const *cur = NULL; + + g_return_val_if_fail (a_this, NULL); + + str_buf = g_string_new (NULL); + + for (cur = a_this; cur; cur = cur->next) { + switch (cur->type) { + case CLASS_ADD_SELECTOR: + { + guchar *name = NULL; + + if (cur->content.class_name) { + name = (guchar *) g_strndup + (cur->content.class_name->stryng->str, + cur->content.class_name->stryng->len); + + if (name) { + g_string_append_printf + (str_buf, ".%s", + name); + g_free (name); + name = NULL; + } + } + } + break; + + case ID_ADD_SELECTOR: + { + guchar *name = NULL; + + if (cur->content.id_name) { + name = (guchar *) g_strndup + (cur->content.id_name->stryng->str, + cur->content.id_name->stryng->len); + + if (name) { + g_string_append_printf + (str_buf, "#%s", + name); + g_free (name); + name = NULL; + } + } + } + + break; + + case PSEUDO_CLASS_ADD_SELECTOR: + { + if (cur->content.pseudo) { + guchar *tmp_str = NULL; + + tmp_str = cr_pseudo_to_string + (cur->content.pseudo); + if (tmp_str) { + g_string_append_printf + (str_buf, ":%s", + tmp_str); + g_free (tmp_str); + tmp_str = NULL; + } + } + } + break; + + case ATTRIBUTE_ADD_SELECTOR: + if (cur->content.attr_sel) { + guchar *tmp_str = NULL; + + g_string_append_c (str_buf, '['); + tmp_str = cr_attr_sel_to_string + (cur->content.attr_sel); + if (tmp_str) { + g_string_append_printf + (str_buf, "%s]", tmp_str); + g_free (tmp_str); + tmp_str = NULL; + } + } + break; + + default: + break; + } + } + + if (str_buf) { + result = (guchar *) str_buf->str; + g_string_free (str_buf, FALSE); + str_buf = NULL; + } + + return result; +} + +guchar * +cr_additional_sel_one_to_string (CRAdditionalSel const *a_this) +{ + guchar *result = NULL; + GString *str_buf = NULL; + + g_return_val_if_fail (a_this, NULL) ; + + str_buf = g_string_new (NULL) ; + + switch (a_this->type) { + case CLASS_ADD_SELECTOR: + { + guchar *name = NULL; + + if (a_this->content.class_name) { + name = (guchar *) g_strndup + (a_this->content.class_name->stryng->str, + a_this->content.class_name->stryng->len); + + if (name) { + g_string_append_printf + (str_buf, ".%s", + name); + g_free (name); + name = NULL; + } + } + } + break; + + case ID_ADD_SELECTOR: + { + guchar *name = NULL; + + if (a_this->content.id_name) { + name = (guchar *) g_strndup + (a_this->content.id_name->stryng->str, + a_this->content.id_name->stryng->len); + + if (name) { + g_string_append_printf + (str_buf, "#%s", + name); + g_free (name); + name = NULL; + } + } + } + + break; + + case PSEUDO_CLASS_ADD_SELECTOR: + { + if (a_this->content.pseudo) { + guchar *tmp_str = NULL; + + tmp_str = cr_pseudo_to_string + (a_this->content.pseudo); + if (tmp_str) { + g_string_append_printf + (str_buf, ":%s", + tmp_str); + g_free (tmp_str); + tmp_str = NULL; + } + } + } + break; + + case ATTRIBUTE_ADD_SELECTOR: + if (a_this->content.attr_sel) { + guchar *tmp_str = NULL; + + g_string_append_printf (str_buf, "["); + tmp_str = cr_attr_sel_to_string + (a_this->content.attr_sel); + if (tmp_str) { + g_string_append_printf + (str_buf, "%s]", tmp_str); + g_free (tmp_str); + tmp_str = NULL; + } + } + break; + + default: + break; + } + + if (str_buf) { + result = (guchar *) str_buf->str; + g_string_free (str_buf, FALSE); + str_buf = NULL; + } + + return result; +} + +/** + * cr_additional_sel_dump: + * @a_this: the "this pointer" of the current instance of + * #CRAdditionalSel. + * @a_fp: the destination file. + * + * Dumps the current instance of #CRAdditionalSel to a file + */ +void +cr_additional_sel_dump (CRAdditionalSel const * a_this, FILE * a_fp) +{ + guchar *tmp_str = NULL; + + g_return_if_fail (a_fp); + + if (a_this) { + tmp_str = cr_additional_sel_to_string (a_this); + if (tmp_str) { + fprintf (a_fp, "%s", tmp_str); + g_free (tmp_str); + tmp_str = NULL; + } + } +} + +/** + * cr_additional_sel_destroy: + * @a_this: the "this pointer" of the current instance + * of #CRAdditionalSel . + * + * Destroys an instance of #CRAdditional. + */ +void +cr_additional_sel_destroy (CRAdditionalSel * a_this) +{ + g_return_if_fail (a_this); + + switch (a_this->type) { + case CLASS_ADD_SELECTOR: + cr_string_destroy (a_this->content.class_name); + a_this->content.class_name = NULL; + break; + + case PSEUDO_CLASS_ADD_SELECTOR: + cr_pseudo_destroy (a_this->content.pseudo); + a_this->content.pseudo = NULL; + break; + + case ID_ADD_SELECTOR: + cr_string_destroy (a_this->content.id_name); + a_this->content.id_name = NULL; + break; + + case ATTRIBUTE_ADD_SELECTOR: + cr_attr_sel_destroy (a_this->content.attr_sel); + a_this->content.attr_sel = NULL; + break; + + default: + break; + } + + if (a_this->next) { + cr_additional_sel_destroy (a_this->next); + } + + g_free (a_this); +} |