Pileus Git - ~andy/gtk/blob - gtk/gtkcssparserprivate.h

   1 /* GTK - The GIMP Toolkit
   2  * Copyright (C) 2011 Benjamin Otte <otte@gnome.org>
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the
  16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17  * Boston, MA 02111-1307, USA.
  18  */
  19
  20 #ifndef __GTK_CSS_PARSER_PRIVATE_H__
  21 #define __GTK_CSS_PARSER_PRIVATE_H__
  22
  23 #include "gtk/gtkcsstypesprivate.h"
  24 #include <gtk/gtksymboliccolor.h>
  25
  26 G_BEGIN_DECLS
  27
  28 typedef enum /*< skip >*/ {
  29   GTK_CSS_POSITIVE_ONLY = (1 << 0),
  30   GTK_CSS_PARSE_PERCENT = (1 << 1),
  31   GTK_CSS_PARSE_NUMBER = (1 << 2),
  32   GTK_CSS_NUMBER_AS_PIXELS = (1 << 3),
  33   GTK_CSS_PARSE_LENGTH = (1 << 4)
  34 } GtkCssNumberParseFlags;
  35
  36 typedef struct _GtkCssParser GtkCssParser;
  37
  38 typedef void (* GtkCssParserErrorFunc) (GtkCssParser *parser,
  39                                         const GError *error,
  40                                         gpointer      user_data);
  41
  42 GtkCssParser *  _gtk_css_parser_new               (const char            *data,
  43                                                    GtkCssParserErrorFunc  error_func,
  44                                                    gpointer               user_data);
  45 void            _gtk_css_parser_free              (GtkCssParser          *parser);
  46
  47 void            _gtk_css_parser_take_error        (GtkCssParser          *parser,
  48                                                    GError                *error);
  49 void            _gtk_css_parser_error             (GtkCssParser          *parser,
  50                                                    const char            *format,
  51                                                     ...) G_GNUC_PRINTF (2, 3);
  52
  53 guint           _gtk_css_parser_get_line          (GtkCssParser          *parser);
  54 guint           _gtk_css_parser_get_position      (GtkCssParser          *parser);
  55
  56 gboolean        _gtk_css_parser_is_eof            (GtkCssParser          *parser);
  57 gboolean        _gtk_css_parser_begins_with       (GtkCssParser          *parser,
  58                                                    char                   c);
  59 gboolean        _gtk_css_parser_has_prefix        (GtkCssParser          *parser,
  60                                                    const char            *prefix);
  61 gboolean        _gtk_css_parser_is_string         (GtkCssParser          *parser);
  62
  63 /* IMPORTANT:
  64  * _try_foo() functions do not modify the data pointer if they fail, nor do they
  65  * signal an error. _read_foo() will modify the data pointer and position it at
  66  * the first token that is broken and emit an error about the failure.
  67  * So only call _read_foo() when you know that you are reading a foo. _try_foo()
  68  * however is fine to call if you don't know yet if the token is a foo or a bar,
  69  * you can _try_bar() if try_foo() failed.
  70  */
  71 gboolean        _gtk_css_parser_try               (GtkCssParser          *parser,
  72                                                    const char            *string,
  73                                                    gboolean               skip_whitespace);
  74 char *          _gtk_css_parser_try_ident         (GtkCssParser          *parser,
  75                                                    gboolean               skip_whitespace);
  76 char *          _gtk_css_parser_try_name          (GtkCssParser          *parser,
  77                                                    gboolean               skip_whitespace);
  78 gboolean        _gtk_css_parser_try_int           (GtkCssParser          *parser,
  79                                                    int                   *value);
  80 gboolean        _gtk_css_parser_try_uint          (GtkCssParser          *parser,
  81                                                    guint                 *value);
  82 gboolean        _gtk_css_parser_try_double        (GtkCssParser          *parser,
  83                                                    gdouble               *value);
  84 gboolean        _gtk_css_parser_try_length        (GtkCssParser          *parser,
  85                                                    int                   *value);
  86 gboolean        _gtk_css_parser_try_enum          (GtkCssParser          *parser,
  87                                                    GType                  enum_type,
  88                                                    int                   *value);
  89
  90 gboolean        _gtk_css_parser_has_number        (GtkCssParser          *parser);
  91 gboolean        _gtk_css_parser_read_number       (GtkCssParser          *parser,
  92                                                    GtkCssNumber          *number,
  93                                                    GtkCssNumberParseFlags flags);
  94 char *          _gtk_css_parser_read_string       (GtkCssParser          *parser);
  95 char *          _gtk_css_parser_read_value        (GtkCssParser          *parser);
  96 GtkSymbolicColor *_gtk_css_parser_read_symbolic_color
  97                                                   (GtkCssParser          *parser);
  98 GFile *         _gtk_css_parser_read_url          (GtkCssParser          *parser,
  99                                                    GFile                 *base);
 100
 101 void            _gtk_css_parser_skip_whitespace   (GtkCssParser          *parser);
 102 void            _gtk_css_parser_resync            (GtkCssParser          *parser,
 103                                                    gboolean               sync_at_semicolon,
 104                                                    char                   terminator);
 105
 106 G_END_DECLS
 107
 108 #endif /* __GTK_CSS_PARSER_PRIVATE_H__ */