separated the library into two projects. Libcroco is now the combination

2004-01-24  Dodji Seketeli  <dodji@gnome.org>

* all: separated the library into two projects. Libcroco
is now the combination of the parser and the selection engine.
A new project is born: sewfox. It is basically the
xml rendering/layout engine.
Libcroco now needs libxml2 and glib only.
Sewfox need libgnomecanvas2.

1 files changed, 674 insertions, 0 deletions

diff --git a/src/cr-token.c b/src/cr-token.c
new file mode 100644
index 0000000..8ade6be
--- /dev/null
+++ b/src/cr-token.c
@@ -0,0 +1,674 @@
+/* -*- Mode: C; indent-tabs-mode:nil; c-basic-offset: 8-*- */
+
+/*
+ * This file is part of The Croco Library
+ *
+ * Copyright (C) 2002-2003 Dodji Seketeli <dodji@seketeli.org>
+ *
+ * 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
+ */
+
+/*
+ *$Id$
+ */
+
+/**
+ *@file
+ *The definition of the #CRToken class.
+ *Abstracts a css2 token.
+ */
+#include <string.h>
+#include "cr-token.h"
+
+
+/**
+ *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 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:        
+                break ;
+
+	case STRING_TK:
+        case IDENT_TK:
+        case HASH_TK:
+        case URI_TK:
+        case FUNCTION_TK:
+        case COMMENT_TK:
+                if (a_this->u.str)
+                {
+                        g_string_free (a_this->u.str, TRUE) ;
+                        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:
+                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)
+                {
+                        g_string_free (a_this->dimen, TRUE) ;
+                        a_this->dimen = NULL ;
+                }
+        
+		break ;
+		
+	case UNICODERANGE_TK:
+                /*not supported yet.*/
+		break ;	
+        
+	default:
+		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 successfull 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 successfull 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 successfull 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 successfull 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 successfull 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, GString *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, GString *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, GString * 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, GString *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, GString *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, GString *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,
+                    GString *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, GString *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) ;
+}