[gtk+/wip/cssvalue: 125/165] cssparser: Move symbolic color parser to gtksymboliccolor.c

[Benjamin Otte <otte src gnome org>]

commit ee195b8b66487062b77bee8ac37a55d868712e18
Author: Benjamin Otte <otte redhat com>
Date:   Thu Apr 5 21:09:35 2012 +0200

    cssparser: Move symbolic color parser to gtksymboliccolor.c

 gtk/gtkcssimagegradient.c     |    1 +
 gtk/gtkcssimagelinear.c       |    2 +-
 gtk/gtkcssparser.c            |  264 ++---------------------------------------
 gtk/gtkcssparserprivate.h     |    5 +-
 gtk/gtksymboliccolor.c        |  235 ++++++++++++++++++++++++++++++++++++
 gtk/gtksymboliccolorprivate.h |    3 +
 gtk/gtkwin32theme.c           |    2 +
 7 files changed, 257 insertions(+), 255 deletions(-)
---
diff --git a/gtk/gtkcssimagegradient.c b/gtk/gtkcssimagegradient.c
index 719edc0..288ca0e 100644
--- a/gtk/gtkcssimagegradient.c
+++ b/gtk/gtkcssimagegradient.c
@@ -22,6 +22,7 @@
 #include "gtkcssimagegradientprivate.h"
 
 #include "gtkcssprovider.h"
+#include "gtksymboliccolorprivate.h"
 
 G_DEFINE_TYPE (GtkCssImageGradient, _gtk_css_image_gradient, GTK_TYPE_CSS_IMAGE)
 
diff --git a/gtk/gtkcssimagelinear.c b/gtk/gtkcssimagelinear.c
index 4354055..6cc88e4 100644
--- a/gtk/gtkcssimagelinear.c
+++ b/gtk/gtkcssimagelinear.c
@@ -26,7 +26,7 @@
 #include "gtkcssnumbervalueprivate.h"
 #include "gtkcssrgbavalueprivate.h"
 #include "gtkcssprovider.h"
-#include "gtkstylecontextprivate.h"
+#include "gtksymboliccolorprivate.h"
 
 G_DEFINE_TYPE (GtkCssImageLinear, _gtk_css_image_linear, GTK_TYPE_CSS_IMAGE)
 
diff --git a/gtk/gtkcssparser.c b/gtk/gtkcssparser.c
index 96c367e..62d9113 100644
--- a/gtk/gtkcssparser.c
+++ b/gtk/gtkcssparser.c
@@ -736,278 +736,40 @@ _gtk_css_parser_try_enum (GtkCssParser *parser,
   return result;
 }
 
-typedef enum {
-  COLOR_RGBA,
-  COLOR_RGB,
-  COLOR_LIGHTER,
-  COLOR_DARKER,
-  COLOR_SHADE,
-  COLOR_ALPHA,
-  COLOR_MIX,
-  COLOR_WIN32
-} ColorType;
-
-static GtkSymbolicColor *
-gtk_css_parser_read_symbolic_color_function (GtkCssParser *parser,
-                                             ColorType     color)
-{
-  GtkSymbolicColor *symbolic;
-  GtkSymbolicColor *child1, *child2;
-  double value;
-
-  if (!_gtk_css_parser_try (parser, "(", TRUE))
-    {
-      _gtk_css_parser_error (parser, "Missing opening bracket in color definition");
-      return NULL;
-    }
-
-  if (color == COLOR_RGB || color == COLOR_RGBA)
-    {
-      GdkRGBA rgba;
-      double tmp;
-      guint i;
-
-      for (i = 0; i < 3; i++)
-        {
-          if (i > 0 && !_gtk_css_parser_try (parser, ",", TRUE))
-            {
-              _gtk_css_parser_error (parser, "Expected ',' in color definition");
-              return NULL;
-            }
-
-          if (!_gtk_css_parser_try_double (parser, &tmp))
-            {
-              _gtk_css_parser_error (parser, "Invalid number for color value");
-              return NULL;
-            }
-          if (_gtk_css_parser_try (parser, "%", TRUE))
-            tmp /= 100.0;
-          else
-            tmp /= 255.0;
-          if (i == 0)
-            rgba.red = tmp;
-          else if (i == 1)
-            rgba.green = tmp;
-          else if (i == 2)
-            rgba.blue = tmp;
-          else
-            g_assert_not_reached ();
-        }
-
-      if (color == COLOR_RGBA)
-        {
-          if (i > 0 && !_gtk_css_parser_try (parser, ",", TRUE))
-            {
-              _gtk_css_parser_error (parser, "Expected ',' in color definition");
-              return NULL;
-            }
-
-          if (!_gtk_css_parser_try_double (parser, &rgba.alpha))
-            {
-              _gtk_css_parser_error (parser, "Invalid number for alpha value");
-              return NULL;
-            }
-        }
-      else
-        rgba.alpha = 1.0;
-      
-      symbolic = gtk_symbolic_color_new_literal (&rgba);
-    }
-  else if (color == COLOR_WIN32)
-    {
-      symbolic = _gtk_win32_theme_color_parse (parser);
-      if (symbolic == NULL)
-	return NULL;
-    }
-  else
-    {
-      child1 = _gtk_css_parser_read_symbolic_color (parser);
-      if (child1 == NULL)
-        return NULL;
-
-      if (color == COLOR_MIX)
-        {
-          if (!_gtk_css_parser_try (parser, ",", TRUE))
-            {
-              _gtk_css_parser_error (parser, "Expected ',' in color definition");
-              gtk_symbolic_color_unref (child1);
-              return NULL;
-            }
-
-          child2 = _gtk_css_parser_read_symbolic_color (parser);
-          if (child2 == NULL)
-            {
-              gtk_symbolic_color_unref (child1);
-              return NULL;
-            }
-        }
-      else
-        child2 = NULL;
-
-      if (color == COLOR_LIGHTER)
-        value = 1.3;
-      else if (color == COLOR_DARKER)
-        value = 0.7;
-      else
-        {
-          if (!_gtk_css_parser_try (parser, ",", TRUE))
-            {
-              _gtk_css_parser_error (parser, "Expected ',' in color definition");
-              gtk_symbolic_color_unref (child1);
-              if (child2)
-                gtk_symbolic_color_unref (child2);
-              return NULL;
-            }
-
-          if (!_gtk_css_parser_try_double (parser, &value))
-            {
-              _gtk_css_parser_error (parser, "Expected number in color definition");
-              gtk_symbolic_color_unref (child1);
-              if (child2)
-                gtk_symbolic_color_unref (child2);
-              return NULL;
-            }
-        }
-      
-      switch (color)
-        {
-        case COLOR_LIGHTER:
-        case COLOR_DARKER:
-        case COLOR_SHADE:
-          symbolic = gtk_symbolic_color_new_shade (child1, value);
-          break;
-        case COLOR_ALPHA:
-          symbolic = gtk_symbolic_color_new_alpha (child1, value);
-          break;
-        case COLOR_MIX:
-          symbolic = gtk_symbolic_color_new_mix (child1, child2, value);
-          break;
-        default:
-          g_assert_not_reached ();
-          symbolic = NULL;
-        }
-
-      gtk_symbolic_color_unref (child1);
-      if (child2)
-        gtk_symbolic_color_unref (child2);
-    }
-
-  if (!_gtk_css_parser_try (parser, ")", TRUE))
-    {
-      _gtk_css_parser_error (parser, "Expected ')' in color definition");
-      gtk_symbolic_color_unref (symbolic);
-      return NULL;
-    }
-
-  return symbolic;
-}
-
-static GtkSymbolicColor *
-gtk_css_parser_try_hash_color (GtkCssParser *parser)
+gboolean
+_gtk_css_parser_try_hash_color (GtkCssParser *parser,
+                                GdkRGBA      *rgba)
 {
   if (parser->data[0] == '#' &&
       g_ascii_isxdigit (parser->data[1]) &&
       g_ascii_isxdigit (parser->data[2]) &&
       g_ascii_isxdigit (parser->data[3]))
     {
-      GdkRGBA rgba;
-      
       if (g_ascii_isxdigit (parser->data[4]) &&
           g_ascii_isxdigit (parser->data[5]) &&
           g_ascii_isxdigit (parser->data[6]))
         {
-          rgba.red   = ((get_xdigit (parser->data[1]) << 4) + get_xdigit (parser->data[2])) / 255.0;
-          rgba.green = ((get_xdigit (parser->data[3]) << 4) + get_xdigit (parser->data[4])) / 255.0;
-          rgba.blue  = ((get_xdigit (parser->data[5]) << 4) + get_xdigit (parser->data[6])) / 255.0;
-          rgba.alpha = 1.0;
+          rgba->red   = ((get_xdigit (parser->data[1]) << 4) + get_xdigit (parser->data[2])) / 255.0;
+          rgba->green = ((get_xdigit (parser->data[3]) << 4) + get_xdigit (parser->data[4])) / 255.0;
+          rgba->blue  = ((get_xdigit (parser->data[5]) << 4) + get_xdigit (parser->data[6])) / 255.0;
+          rgba->alpha = 1.0;
           parser->data += 7;
         }
       else
         {
-          rgba.red   = get_xdigit (parser->data[1]) / 15.0;
-          rgba.green = get_xdigit (parser->data[2]) / 15.0;
-          rgba.blue  = get_xdigit (parser->data[3]) / 15.0;
-          rgba.alpha = 1.0;
+          rgba->red   = get_xdigit (parser->data[1]) / 15.0;
+          rgba->green = get_xdigit (parser->data[2]) / 15.0;
+          rgba->blue  = get_xdigit (parser->data[3]) / 15.0;
+          rgba->alpha = 1.0;
           parser->data += 4;
         }
 
       _gtk_css_parser_skip_whitespace (parser);
 
-      return gtk_symbolic_color_new_literal (&rgba);
-    }
-
-  return NULL;
-}
-
-GtkSymbolicColor *
-_gtk_css_parser_read_symbolic_color (GtkCssParser *parser)
-{
-  GtkSymbolicColor *symbolic;
-  guint color;
-  const char *names[] = {"rgba", "rgb",  "lighter", "darker", "shade", "alpha", "mix",
-			 GTK_WIN32_THEME_SYMBOLIC_COLOR_NAME};
-  char *name;
-
-  g_return_val_if_fail (GTK_IS_CSS_PARSER (parser), NULL);
-
-  if (_gtk_css_parser_try (parser, "transparent", TRUE))
-    {
-      GdkRGBA transparent = { 0, 0, 0, 0 };
-      
-      return gtk_symbolic_color_new_literal (&transparent);
-    }
-
-  if (_gtk_css_parser_try (parser, "@", FALSE))
-    {
-      name = _gtk_css_parser_try_name (parser, TRUE);
-
-      if (name)
-        {
-          symbolic = gtk_symbolic_color_new_name (name);
-        }
-      else
-        {
-          _gtk_css_parser_error (parser, "'%s' is not a valid symbolic color name", name);
-          symbolic = NULL;
-        }
-
-      g_free (name);
-      return symbolic;
-    }
-
-  for (color = 0; color < G_N_ELEMENTS (names); color++)
-    {
-      if (_gtk_css_parser_try (parser, names[color], TRUE))
-        break;
-    }
-
-  if (color < G_N_ELEMENTS (names))
-    return gtk_css_parser_read_symbolic_color_function (parser, color);
-
-  symbolic = gtk_css_parser_try_hash_color (parser);
-  if (symbolic)
-    return symbolic;
-
-  name = _gtk_css_parser_try_name (parser, TRUE);
-  if (name)
-    {
-      GdkRGBA rgba;
-
-      if (gdk_rgba_parse (&rgba, name))
-        {
-          symbolic = gtk_symbolic_color_new_literal (&rgba);
-        }
-      else
-        {
-          _gtk_css_parser_error (parser, "'%s' is not a valid color name", name);
-          symbolic = NULL;
-        }
-      g_free (name);
-      return symbolic;
+      return TRUE;
     }
 
-  _gtk_css_parser_error (parser, "Not a color definition");
-  return NULL;
+  return FALSE;
 }
 
 GFile *
diff --git a/gtk/gtkcssparserprivate.h b/gtk/gtkcssparserprivate.h
index d676c28..2c83589 100644
--- a/gtk/gtkcssparserprivate.h
+++ b/gtk/gtkcssparserprivate.h
@@ -20,7 +20,6 @@
 
 #include "gtk/gtkcsstypesprivate.h"
 #include <gtk/gtkcssprovider.h>
-#include <gtk/gtksymboliccolor.h>
 
 G_BEGIN_DECLS
 
@@ -81,12 +80,12 @@ gboolean        _gtk_css_parser_try_length        (GtkCssParser          *parser
 gboolean        _gtk_css_parser_try_enum          (GtkCssParser          *parser,
                                                    GType                  enum_type,
                                                    int                   *value);
+gboolean        _gtk_css_parser_try_hash_color    (GtkCssParser          *parser,
+                                                   GdkRGBA               *rgba);
 
 gboolean        _gtk_css_parser_has_number        (GtkCssParser          *parser);
 char *          _gtk_css_parser_read_string       (GtkCssParser          *parser);
 char *          _gtk_css_parser_read_value        (GtkCssParser          *parser);
-GtkSymbolicColor *_gtk_css_parser_read_symbolic_color
-                                                  (GtkCssParser          *parser);
 GFile *         _gtk_css_parser_read_url          (GtkCssParser          *parser,
                                                    GFile                 *base);
 
diff --git a/gtk/gtksymboliccolor.c b/gtk/gtksymboliccolor.c
index 6201b41..fdbcce7 100644
--- a/gtk/gtksymboliccolor.c
+++ b/gtk/gtksymboliccolor.c
@@ -850,5 +850,240 @@ gtk_symbolic_color_to_string (GtkSymbolicColor *color)
     }
 
   return s;
+}
+
+typedef enum {
+  COLOR_RGBA,
+  COLOR_RGB,
+  COLOR_LIGHTER,
+  COLOR_DARKER,
+  COLOR_SHADE,
+  COLOR_ALPHA,
+  COLOR_MIX,
+  COLOR_WIN32
+} ColorParseType;
+
+static GtkSymbolicColor *
+gtk_css_parser_read_symbolic_color_function (GtkCssParser   *parser,
+                                             ColorParseType  color)
+{
+  GtkSymbolicColor *symbolic;
+  GtkSymbolicColor *child1, *child2;
+  double value;
+
+  if (!_gtk_css_parser_try (parser, "(", TRUE))
+    {
+      _gtk_css_parser_error (parser, "Missing opening bracket in color definition");
+      return NULL;
+    }
+
+  if (color == COLOR_RGB || color == COLOR_RGBA)
+    {
+      GdkRGBA rgba;
+      double tmp;
+      guint i;
+
+      for (i = 0; i < 3; i++)
+        {
+          if (i > 0 && !_gtk_css_parser_try (parser, ",", TRUE))
+            {
+              _gtk_css_parser_error (parser, "Expected ',' in color definition");
+              return NULL;
+            }
+
+          if (!_gtk_css_parser_try_double (parser, &tmp))
+            {
+              _gtk_css_parser_error (parser, "Invalid number for color value");
+              return NULL;
+            }
+          if (_gtk_css_parser_try (parser, "%", TRUE))
+            tmp /= 100.0;
+          else
+            tmp /= 255.0;
+          if (i == 0)
+            rgba.red = tmp;
+          else if (i == 1)
+            rgba.green = tmp;
+          else if (i == 2)
+            rgba.blue = tmp;
+          else
+            g_assert_not_reached ();
+        }
+
+      if (color == COLOR_RGBA)
+        {
+          if (i > 0 && !_gtk_css_parser_try (parser, ",", TRUE))
+            {
+              _gtk_css_parser_error (parser, "Expected ',' in color definition");
+              return NULL;
+            }
+
+          if (!_gtk_css_parser_try_double (parser, &rgba.alpha))
+            {
+              _gtk_css_parser_error (parser, "Invalid number for alpha value");
+              return NULL;
+            }
+        }
+      else
+        rgba.alpha = 1.0;
+      
+      symbolic = gtk_symbolic_color_new_literal (&rgba);
+    }
+  else if (color == COLOR_WIN32)
+    {
+      symbolic = _gtk_win32_theme_color_parse (parser);
+      if (symbolic == NULL)
+	return NULL;
+    }
+  else
+    {
+      child1 = _gtk_css_parser_read_symbolic_color (parser);
+      if (child1 == NULL)
+        return NULL;
+
+      if (color == COLOR_MIX)
+        {
+          if (!_gtk_css_parser_try (parser, ",", TRUE))
+            {
+              _gtk_css_parser_error (parser, "Expected ',' in color definition");
+              gtk_symbolic_color_unref (child1);
+              return NULL;
+            }
+
+          child2 = _gtk_css_parser_read_symbolic_color (parser);
+          if (child2 == NULL)
+            {
+              gtk_symbolic_color_unref (child1);
+              return NULL;
+            }
+        }
+      else
+        child2 = NULL;
+
+      if (color == COLOR_LIGHTER)
+        value = 1.3;
+      else if (color == COLOR_DARKER)
+        value = 0.7;
+      else
+        {
+          if (!_gtk_css_parser_try (parser, ",", TRUE))
+            {
+              _gtk_css_parser_error (parser, "Expected ',' in color definition");
+              gtk_symbolic_color_unref (child1);
+              if (child2)
+                gtk_symbolic_color_unref (child2);
+              return NULL;
+            }
+
+          if (!_gtk_css_parser_try_double (parser, &value))
+            {
+              _gtk_css_parser_error (parser, "Expected number in color definition");
+              gtk_symbolic_color_unref (child1);
+              if (child2)
+                gtk_symbolic_color_unref (child2);
+              return NULL;
+            }
+        }
+      
+      switch (color)
+        {
+        case COLOR_LIGHTER:
+        case COLOR_DARKER:
+        case COLOR_SHADE:
+          symbolic = gtk_symbolic_color_new_shade (child1, value);
+          break;
+        case COLOR_ALPHA:
+          symbolic = gtk_symbolic_color_new_alpha (child1, value);
+          break;
+        case COLOR_MIX:
+          symbolic = gtk_symbolic_color_new_mix (child1, child2, value);
+          break;
+        default:
+          g_assert_not_reached ();
+          symbolic = NULL;
+        }
+
+      gtk_symbolic_color_unref (child1);
+      if (child2)
+        gtk_symbolic_color_unref (child2);
+    }
+
+  if (!_gtk_css_parser_try (parser, ")", TRUE))
+    {
+      _gtk_css_parser_error (parser, "Expected ')' in color definition");
+      gtk_symbolic_color_unref (symbolic);
+      return NULL;
+    }
 
+  return symbolic;
 }
+
+GtkSymbolicColor *
+_gtk_css_parser_read_symbolic_color (GtkCssParser *parser)
+{
+  GtkSymbolicColor *symbolic;
+  GdkRGBA rgba;
+  guint color;
+  const char *names[] = {"rgba", "rgb",  "lighter", "darker", "shade", "alpha", "mix",
+			 GTK_WIN32_THEME_SYMBOLIC_COLOR_NAME};
+  char *name;
+
+  g_return_val_if_fail (parser != NULL, NULL);
+
+  if (_gtk_css_parser_try (parser, "transparent", TRUE))
+    {
+      GdkRGBA transparent = { 0, 0, 0, 0 };
+      
+      return gtk_symbolic_color_new_literal (&transparent);
+    }
+
+  if (_gtk_css_parser_try (parser, "@", FALSE))
+    {
+      name = _gtk_css_parser_try_name (parser, TRUE);
+
+      if (name)
+        {
+          symbolic = gtk_symbolic_color_new_name (name);
+        }
+      else
+        {
+          _gtk_css_parser_error (parser, "'%s' is not a valid symbolic color name", name);
+          symbolic = NULL;
+        }
+
+      g_free (name);
+      return symbolic;
+    }
+
+  for (color = 0; color < G_N_ELEMENTS (names); color++)
+    {
+      if (_gtk_css_parser_try (parser, names[color], TRUE))
+        break;
+    }
+
+  if (color < G_N_ELEMENTS (names))
+    return gtk_css_parser_read_symbolic_color_function (parser, color);
+
+  if (_gtk_css_parser_try_hash_color (parser, &rgba))
+    return gtk_symbolic_color_new_literal (&rgba);
+
+  name = _gtk_css_parser_try_name (parser, TRUE);
+  if (name)
+    {
+      if (gdk_rgba_parse (&rgba, name))
+        {
+          symbolic = gtk_symbolic_color_new_literal (&rgba);
+        }
+      else
+        {
+          _gtk_css_parser_error (parser, "'%s' is not a valid color name", name);
+          symbolic = NULL;
+        }
+      g_free (name);
+      return symbolic;
+    }
+
+  _gtk_css_parser_error (parser, "Not a color definition");
+  return NULL;
+}
+
diff --git a/gtk/gtksymboliccolorprivate.h b/gtk/gtksymboliccolorprivate.h
index 869af69..2e9514c 100644
--- a/gtk/gtksymboliccolorprivate.h
+++ b/gtk/gtksymboliccolorprivate.h
@@ -19,6 +19,7 @@
 #define __GTK_SYMBOLIC_COLOR_PRIVATE_H__
 
 #include "gtk/gtksymboliccolor.h"
+#include "gtk/gtkcssparserprivate.h"
 #include "gtk/gtkcssvalueprivate.h"
 
 G_BEGIN_DECLS
@@ -31,6 +32,8 @@ GtkCssValue *      _gtk_symbolic_color_resolve_full       (GtkSymbolicColor
 
 GtkSymbolicColor * _gtk_symbolic_color_get_current_color  (void);
 
+GtkSymbolicColor * _gtk_css_parser_read_symbolic_color    (GtkCssParser               *parser);
+
 G_END_DECLS
 
 #endif /* __GTK_SYMBOLIC_COLOR_PRIVATE_H__ */
diff --git a/gtk/gtkwin32theme.c b/gtk/gtkwin32theme.c
index 0f385f9..ebc7e85 100644
--- a/gtk/gtkwin32theme.c
+++ b/gtk/gtkwin32theme.c
@@ -23,6 +23,8 @@
 
 #include "gtkwin32themeprivate.h"
 
+#include <gtksymboliccolor.h>
+
 #ifdef G_OS_WIN32
 
 #include <cairo-win32.h>