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, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 #ifndef __GTK_CSS_PARSER_PRIVATE_H__
  19 #define __GTK_CSS_PARSER_PRIVATE_H__
  20
  21 #include "gtk/gtkcsstypesprivate.h"
  22 #include <gtk/gtksymboliccolor.h>
  23
  24 G_BEGIN_DECLS
  25
  26 typedef enum /*< skip >*/ {
  27   GTK_CSS_POSITIVE_ONLY = (1 << 0),
  28   GTK_CSS_PARSE_PERCENT = (1 << 1),
  29   GTK_CSS_PARSE_NUMBER = (1 << 2),
  30   GTK_CSS_NUMBER_AS_PIXELS = (1 << 3),
  31   GTK_CSS_PARSE_LENGTH = (1 << 4),
  32   GTK_CSS_PARSE_ANGLE = (1 << 5)
  33 } GtkCssNumberParseFlags;
  34
  35 typedef struct _GtkCssParser GtkCssParser;
  36
  37 typedef void (* GtkCssParserErrorFunc) (GtkCssParser *parser,
  38                                         const GError *error,
  39                                         gpointer      user_data);
  40
  41 GtkCssParser *  _gtk_css_parser_new               (const char            *data,
  42                                                    GtkCssParserErrorFunc  error_func,
  43                                                    gpointer               user_data);
  44 void            _gtk_css_parser_free              (GtkCssParser          *parser);
  45
  46 void            _gtk_css_parser_take_error        (GtkCssParser          *parser,
  47                                                    GError                *error);
  48 void            _gtk_css_parser_error             (GtkCssParser          *parser,
  49                                                    const char            *format,
  50                                                     ...) G_GNUC_PRINTF (2, 3);
  51
  52 guint           _gtk_css_parser_get_line          (GtkCssParser          *parser);
  53 guint           _gtk_css_parser_get_position      (GtkCssParser          *parser);
  54
  55 gboolean        _gtk_css_parser_is_eof            (GtkCssParser          *parser);
  56 gboolean        _gtk_css_parser_begins_with       (GtkCssParser          *parser,
  57                                                    char                   c);
  58 gboolean        _gtk_css_parser_has_prefix        (GtkCssParser          *parser,
  59                                                    const char            *prefix);
  60 gboolean        _gtk_css_parser_is_string         (GtkCssParser          *parser);
  61
  62 /* IMPORTANT:
  63  * _try_foo() functions do not modify the data pointer if they fail, nor do they
  64  * signal an error. _read_foo() will modify the data pointer and position it at
  65  * the first token that is broken and emit an error about the failure.
  66  * So only call _read_foo() when you know that you are reading a foo. _try_foo()
  67  * however is fine to call if you don't know yet if the token is a foo or a bar,
  68  * you can _try_bar() if try_foo() failed.
  69  */
  70 gboolean        _gtk_css_parser_try               (GtkCssParser          *parser,
  71                                                    const char            *string,
  72                                                    gboolean               skip_whitespace);
  73 char *          _gtk_css_parser_try_ident         (GtkCssParser          *parser,
  74                                                    gboolean               skip_whitespace);
  75 char *          _gtk_css_parser_try_name          (GtkCssParser          *parser,
  76                                                    gboolean               skip_whitespace);
  77 gboolean        _gtk_css_parser_try_int           (GtkCssParser          *parser,
  78                                                    int                   *value);
  79 gboolean        _gtk_css_parser_try_uint          (GtkCssParser          *parser,
  80                                                    guint                 *value);
  81 gboolean        _gtk_css_parser_try_double        (GtkCssParser          *parser,
  82                                                    gdouble               *value);
  83 gboolean        _gtk_css_parser_try_length        (GtkCssParser          *parser,
  84                                                    int                   *value);
  85 gboolean        _gtk_css_parser_try_enum          (GtkCssParser          *parser,
  86                                                    GType                  enum_type,
  87                                                    int                   *value);
  88
  89 gboolean        _gtk_css_parser_has_number        (GtkCssParser          *parser);
  90 gboolean        _gtk_css_parser_read_number       (GtkCssParser          *parser,
  91                                                    GtkCssNumber          *number,
  92                                                    GtkCssNumberParseFlags flags);
  93 char *          _gtk_css_parser_read_string       (GtkCssParser          *parser);
  94 char *          _gtk_css_parser_read_value        (GtkCssParser          *parser);
  95 GtkSymbolicColor *_gtk_css_parser_read_symbolic_color
  96                                                   (GtkCssParser          *parser);
  97 GFile *         _gtk_css_parser_read_url          (GtkCssParser          *parser,
  98                                                    GFile                 *base);
  99
 100 void            _gtk_css_parser_skip_whitespace   (GtkCssParser          *parser);
 101 void            _gtk_css_parser_resync            (GtkCssParser          *parser,
 102                                                    gboolean               sync_at_semicolon,
 103                                                    char                   terminator);
 104
 105 G_END_DECLS
 106
 107 #endif /* __GTK_CSS_PARSER_PRIVATE_H__ */