From e4283f6d48b98e764b988b43bbc86b9d52e6ec94 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 19:54:43 +0200 Subject: Adding upstream version 43.9. Signed-off-by: Daniel Baumann --- src/st/croco/cr-token.c | 636 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 636 insertions(+) create mode 100644 src/st/croco/cr-token.c (limited to 'src/st/croco/cr-token.c') diff --git a/src/st/croco/cr-token.c b/src/st/croco/cr-token.c new file mode 100644 index 0000000..91dd632 --- /dev/null +++ b/src/st/croco/cr-token.c @@ -0,0 +1,636 @@ +/* -*- 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. + */ + +/** + *@file + *The definition of the #CRToken class. + *Abstracts a css2 token. + */ +#include +#include "cr-token.h" + +/* + *TODO: write a CRToken::to_string() method. + */ + +/** + *Frees the attributes of the current instance + *of #CRtoken. + *@param a_this the current instance of #CRToken. + */ +static void +cr_token_clear (CRToken * a_this) +{ + g_return_if_fail (a_this); + + switch (a_this->type) { + case S_TK: + case CDO_TK: + case CDC_TK: + case INCLUDES_TK: + case DASHMATCH_TK: + case PAGE_SYM_TK: + case MEDIA_SYM_TK: + case FONT_FACE_SYM_TK: + case CHARSET_SYM_TK: + case IMPORT_SYM_TK: + case IMPORTANT_SYM_TK: + case SEMICOLON_TK: + case NO_TK: + case DELIM_TK: + case CBO_TK: + case CBC_TK: + case BO_TK: + case BC_TK: + break; + + case STRING_TK: + case IDENT_TK: + case HASH_TK: + case URI_TK: + case FUNCTION_TK: + case COMMENT_TK: + case ATKEYWORD_TK: + if (a_this->u.str) { + cr_string_destroy (a_this->u.str); + a_this->u.str = NULL; + } + break; + + case EMS_TK: + case EXS_TK: + case LENGTH_TK: + case ANGLE_TK: + case TIME_TK: + case FREQ_TK: + case PERCENTAGE_TK: + case NUMBER_TK: + case PO_TK: + case PC_TK: + if (a_this->u.num) { + cr_num_destroy (a_this->u.num); + a_this->u.num = NULL; + } + break; + + case DIMEN_TK: + if (a_this->u.num) { + cr_num_destroy (a_this->u.num); + a_this->u.num = NULL; + } + + if (a_this->dimen) { + cr_string_destroy (a_this->dimen); + a_this->dimen = NULL; + } + + break; + + case RGB_TK: + if (a_this->u.rgb) { + cr_rgb_destroy (a_this->u.rgb) ; + a_this->u.rgb = NULL ; + } + break ; + + case UNICODERANGE_TK: + /*not supported yet. */ + break; + + default: + cr_utils_trace_info ("I don't know how to clear this token\n") ; + break; + } + + a_this->type = NO_TK; +} + +/** + *Default constructor of + *the #CRToken class. + *@return the newly built instance of #CRToken. + */ +CRToken * +cr_token_new (void) +{ + CRToken *result = NULL; + + result = g_try_malloc (sizeof (CRToken)); + + if (result == NULL) { + cr_utils_trace_info ("Out of memory"); + return NULL; + } + + memset (result, 0, sizeof (CRToken)); + + return result; +} + +/** + *Sets the type of curren instance of + *#CRToken to 'S_TK' (S in the css2 spec) + *@param a_this the current instance of #CRToken. + *@return CR_OK upon successful completion, an error + *code otherwise. + */ +enum CRStatus +cr_token_set_s (CRToken * a_this) +{ + g_return_val_if_fail (a_this, CR_BAD_PARAM_ERROR); + + cr_token_clear (a_this); + + a_this->type = S_TK; + + return CR_OK; +} + +/** + *Sets the type of the current instance of + *#CRToken to 'CDO_TK' (CDO as said by the css2 spec) + *@param a_this the current instance of #CRToken. + *@return CR_OK upon successful completion, an error + *code otherwise. + */ +enum CRStatus +cr_token_set_cdo (CRToken * a_this) +{ + g_return_val_if_fail (a_this, CR_BAD_PARAM_ERROR); + + cr_token_clear (a_this); + + a_this->type = CDO_TK; + + return CR_OK; +} + +/** + *Sets the type of the current token to + *CDC_TK (CDC as said by the css2 spec). + *@param a_this the current instance of #CRToken. + *@return CR_OK upon successful completion, an error + *code otherwise. + */ +enum CRStatus +cr_token_set_cdc (CRToken * a_this) +{ + g_return_val_if_fail (a_this, CR_BAD_PARAM_ERROR); + + cr_token_clear (a_this); + + a_this->type = CDC_TK; + + return CR_OK; +} + +/** + *Sets the type of the current instance of + *#CRToken to INCLUDES_TK (INCLUDES as said by the css2 spec). + *@param a_this the current instance of #CRToken. + *@return CR_OK upon successful completion, an error + *code otherwise. + */ +enum CRStatus +cr_token_set_includes (CRToken * a_this) +{ + g_return_val_if_fail (a_this, CR_BAD_PARAM_ERROR); + + cr_token_clear (a_this); + + a_this->type = INCLUDES_TK; + + return CR_OK; +} + +/** + *Sets the type of the current instance of + *#CRToken to DASHMATCH_TK (DASHMATCH as said by the css2 spec). + *@param a_this the current instance of #CRToken. + *@return CR_OK upon successful completion, an error + *code otherwise. + */ +enum CRStatus +cr_token_set_dashmatch (CRToken * a_this) +{ + g_return_val_if_fail (a_this, CR_BAD_PARAM_ERROR); + + cr_token_clear (a_this); + + a_this->type = DASHMATCH_TK; + + return CR_OK; +} + +enum CRStatus +cr_token_set_comment (CRToken * a_this, CRString * a_str) +{ + g_return_val_if_fail (a_this, CR_BAD_PARAM_ERROR); + + cr_token_clear (a_this); + a_this->type = COMMENT_TK; + a_this->u.str = a_str ; + return CR_OK; +} + +enum CRStatus +cr_token_set_string (CRToken * a_this, CRString * a_str) +{ + g_return_val_if_fail (a_this, CR_BAD_PARAM_ERROR); + + cr_token_clear (a_this); + + a_this->type = STRING_TK; + + a_this->u.str = a_str ; + + return CR_OK; +} + +enum CRStatus +cr_token_set_ident (CRToken * a_this, CRString * a_ident) +{ + g_return_val_if_fail (a_this, CR_BAD_PARAM_ERROR); + + cr_token_clear (a_this); + a_this->type = IDENT_TK; + a_this->u.str = a_ident; + return CR_OK; +} + + +enum CRStatus +cr_token_set_function (CRToken * a_this, CRString * a_fun_name) +{ + g_return_val_if_fail (a_this, + CR_BAD_PARAM_ERROR); + + cr_token_clear (a_this); + a_this->type = FUNCTION_TK; + a_this->u.str = a_fun_name; + return CR_OK; +} + +enum CRStatus +cr_token_set_hash (CRToken * a_this, CRString * a_hash) +{ + g_return_val_if_fail (a_this, CR_BAD_PARAM_ERROR); + + cr_token_clear (a_this); + a_this->type = HASH_TK; + a_this->u.str = a_hash; + + return CR_OK; +} + +enum CRStatus +cr_token_set_rgb (CRToken * a_this, CRRgb * a_rgb) +{ + g_return_val_if_fail (a_this, CR_BAD_PARAM_ERROR); + + cr_token_clear (a_this); + a_this->type = RGB_TK; + a_this->u.rgb = a_rgb; + + return CR_OK; +} + +enum CRStatus +cr_token_set_import_sym (CRToken * a_this) +{ + g_return_val_if_fail (a_this, CR_BAD_PARAM_ERROR); + + cr_token_clear (a_this); + + a_this->type = IMPORT_SYM_TK; + + return CR_OK; +} + +enum CRStatus +cr_token_set_page_sym (CRToken * a_this) +{ + g_return_val_if_fail (a_this, CR_BAD_PARAM_ERROR); + + cr_token_clear (a_this); + + a_this->type = PAGE_SYM_TK; + + return CR_OK; +} + +enum CRStatus +cr_token_set_media_sym (CRToken * a_this) +{ + g_return_val_if_fail (a_this, CR_BAD_PARAM_ERROR); + + cr_token_clear (a_this); + + a_this->type = MEDIA_SYM_TK; + + return CR_OK; +} + +enum CRStatus +cr_token_set_font_face_sym (CRToken * a_this) +{ + g_return_val_if_fail (a_this, CR_BAD_PARAM_ERROR); + + cr_token_clear (a_this); + a_this->type = FONT_FACE_SYM_TK; + + return CR_OK; +} + +enum CRStatus +cr_token_set_charset_sym (CRToken * a_this) +{ + g_return_val_if_fail (a_this, CR_BAD_PARAM_ERROR); + + cr_token_clear (a_this); + a_this->type = CHARSET_SYM_TK; + + return CR_OK; +} + +enum CRStatus +cr_token_set_atkeyword (CRToken * a_this, CRString * a_atname) +{ + g_return_val_if_fail (a_this, CR_BAD_PARAM_ERROR); + + cr_token_clear (a_this); + a_this->type = ATKEYWORD_TK; + a_this->u.str = a_atname; + return CR_OK; +} + +enum CRStatus +cr_token_set_important_sym (CRToken * a_this) +{ + g_return_val_if_fail (a_this, CR_BAD_PARAM_ERROR); + cr_token_clear (a_this); + a_this->type = IMPORTANT_SYM_TK; + return CR_OK; +} + +enum CRStatus +cr_token_set_ems (CRToken * a_this, CRNum * a_num) +{ + g_return_val_if_fail (a_this, CR_BAD_PARAM_ERROR); + cr_token_clear (a_this); + a_this->type = EMS_TK; + a_this->u.num = a_num; + return CR_OK; +} + +enum CRStatus +cr_token_set_exs (CRToken * a_this, CRNum * a_num) +{ + g_return_val_if_fail (a_this, CR_BAD_PARAM_ERROR); + cr_token_clear (a_this); + a_this->type = EXS_TK; + a_this->u.num = a_num; + return CR_OK; +} + +enum CRStatus +cr_token_set_length (CRToken * a_this, CRNum * a_num, + enum CRTokenExtraType a_et) +{ + g_return_val_if_fail (a_this, CR_BAD_PARAM_ERROR); + + cr_token_clear (a_this); + + a_this->type = LENGTH_TK; + a_this->extra_type = a_et; + a_this->u.num = a_num; + + return CR_OK; +} + +enum CRStatus +cr_token_set_angle (CRToken * a_this, CRNum * a_num, + enum CRTokenExtraType a_et) +{ + g_return_val_if_fail (a_this, CR_BAD_PARAM_ERROR); + + cr_token_clear (a_this); + + a_this->type = ANGLE_TK; + a_this->extra_type = a_et; + a_this->u.num = a_num; + + return CR_OK; +} + +enum CRStatus +cr_token_set_time (CRToken * a_this, CRNum * a_num, + enum CRTokenExtraType a_et) +{ + g_return_val_if_fail (a_this, CR_BAD_PARAM_ERROR); + + cr_token_clear (a_this); + + a_this->type = TIME_TK; + a_this->extra_type = a_et; + a_this->u.num = a_num; + + return CR_OK; +} + +enum CRStatus +cr_token_set_freq (CRToken * a_this, CRNum * a_num, + enum CRTokenExtraType a_et) +{ + g_return_val_if_fail (a_this, CR_BAD_PARAM_ERROR); + + cr_token_clear (a_this); + + a_this->type = FREQ_TK; + a_this->extra_type = a_et; + a_this->u.num = a_num; + + return CR_OK; +} + +enum CRStatus +cr_token_set_dimen (CRToken * a_this, CRNum * a_num, + CRString * a_dim) +{ + g_return_val_if_fail (a_this, CR_BAD_PARAM_ERROR); + cr_token_clear (a_this); + a_this->type = DIMEN_TK; + a_this->u.num = a_num; + a_this->dimen = a_dim; + return CR_OK; + +} + +enum CRStatus +cr_token_set_percentage (CRToken * a_this, CRNum * a_num) +{ + g_return_val_if_fail (a_this, CR_BAD_PARAM_ERROR); + + cr_token_clear (a_this); + + a_this->type = PERCENTAGE_TK; + a_this->u.num = a_num; + + return CR_OK; +} + +enum CRStatus +cr_token_set_number (CRToken * a_this, CRNum * a_num) +{ + g_return_val_if_fail (a_this, CR_BAD_PARAM_ERROR); + + cr_token_clear (a_this); + + a_this->type = NUMBER_TK; + a_this->u.num = a_num; + return CR_OK; +} + +enum CRStatus +cr_token_set_uri (CRToken * a_this, CRString * a_uri) +{ + g_return_val_if_fail (a_this, CR_BAD_PARAM_ERROR); + + cr_token_clear (a_this); + + a_this->type = URI_TK; + a_this->u.str = a_uri; + + return CR_OK; +} + +enum CRStatus +cr_token_set_delim (CRToken * a_this, guint32 a_char) +{ + g_return_val_if_fail (a_this, CR_BAD_PARAM_ERROR); + + cr_token_clear (a_this); + + a_this->type = DELIM_TK; + a_this->u.unichar = a_char; + + return CR_OK; +} + +enum CRStatus +cr_token_set_semicolon (CRToken * a_this) +{ + g_return_val_if_fail (a_this, CR_BAD_PARAM_ERROR); + + cr_token_clear (a_this); + + a_this->type = SEMICOLON_TK; + + return CR_OK; +} + +enum CRStatus +cr_token_set_cbo (CRToken * a_this) +{ + g_return_val_if_fail (a_this, CR_BAD_PARAM_ERROR); + + cr_token_clear (a_this); + + a_this->type = CBO_TK; + + return CR_OK; +} + +enum CRStatus +cr_token_set_cbc (CRToken * a_this) +{ + g_return_val_if_fail (a_this, CR_BAD_PARAM_ERROR); + + cr_token_clear (a_this); + + a_this->type = CBC_TK; + + return CR_OK; +} + +enum CRStatus +cr_token_set_po (CRToken * a_this) +{ + g_return_val_if_fail (a_this, CR_BAD_PARAM_ERROR); + + cr_token_clear (a_this); + + a_this->type = PO_TK; + + return CR_OK; +} + +enum CRStatus +cr_token_set_pc (CRToken * a_this) +{ + g_return_val_if_fail (a_this, CR_BAD_PARAM_ERROR); + + cr_token_clear (a_this); + + a_this->type = PC_TK; + + return CR_OK; +} + +enum CRStatus +cr_token_set_bo (CRToken * a_this) +{ + g_return_val_if_fail (a_this, CR_BAD_PARAM_ERROR); + + cr_token_clear (a_this); + + a_this->type = BO_TK; + + return CR_OK; +} + +enum CRStatus +cr_token_set_bc (CRToken * a_this) +{ + g_return_val_if_fail (a_this, CR_BAD_PARAM_ERROR); + + cr_token_clear (a_this); + + a_this->type = BC_TK; + + return CR_OK; +} + +/** + *The destructor of the #CRToken class. + *@param a_this the current instance of #CRToken. + */ +void +cr_token_destroy (CRToken * a_this) +{ + g_return_if_fail (a_this); + + cr_token_clear (a_this); + + g_free (a_this); +} -- cgit v1.2.3