[gtk] cssparser: Simplify

[Benjamin Otte <otte src gnome org>]

commit d9ef734458bf1a2a394c5962787a6351d42f57c6
Author: Benjamin Otte <otte redhat com>
Date:   Fri Mar 22 17:37:04 2019 +0100

    cssparser: Simplify
    
    Remove the uint parser (and use the int parser in the one user of it).
    
    And avoid unnecessarily going through a macro.

 gtk/gtkcsseasevalue.c     |  9 +++++++--
 gtk/gtkcssparser.c        | 38 +++++++-------------------------------
 gtk/gtkcssparserprivate.h |  6 +-----
 3 files changed, 15 insertions(+), 38 deletions(-)
---
diff --git a/gtk/gtkcsseasevalue.c b/gtk/gtkcsseasevalue.c
index a9ab9dce40..ab990af38e 100644
--- a/gtk/gtkcsseasevalue.c
+++ b/gtk/gtkcsseasevalue.c
@@ -254,7 +254,7 @@ gtk_css_ease_value_parse_cubic_bezier (GtkCssParser *parser)
 static GtkCssValue *
 gtk_css_ease_value_parse_steps (GtkCssParser *parser)
 {
-  guint n_steps;
+  int n_steps;
   gboolean start;
 
   if (!_gtk_css_parser_try (parser, "(", TRUE))
@@ -263,11 +263,16 @@ gtk_css_ease_value_parse_steps (GtkCssParser *parser)
       return NULL;
     }
 
-  if (!_gtk_css_parser_try_uint (parser, &n_steps))
+  if (!_gtk_css_parser_try_int (parser, &n_steps))
     {
       _gtk_css_parser_error (parser, "Expected number of steps");
       return NULL;
     }
+  else if (n_steps < 1)
+    {
+      _gtk_css_parser_error (parser, "Number of steps must be > 0");
+      return NULL;
+    }
 
   if (_gtk_css_parser_try (parser, ",", TRUE))
     {
diff --git a/gtk/gtkcssparser.c b/gtk/gtkcssparser.c
index 6f4404db75..25b86f3cb8 100644
--- a/gtk/gtkcssparser.c
+++ b/gtk/gtkcssparser.c
@@ -281,14 +281,17 @@ _gtk_css_parser_skip_whitespace (GtkCssParser *parser)
 }
 
 gboolean
-gtk_css_parser_try_len (GtkCssParser *parser,
-                        const char   *string,
-                        gsize         string_len,
-                        gboolean      skip_whitespace)
+_gtk_css_parser_try (GtkCssParser *parser,
+                     const char   *string,
+                     gboolean      skip_whitespace)
 {
+  gsize string_len;
+
   g_return_val_if_fail (GTK_IS_CSS_PARSER (parser), FALSE);
   g_return_val_if_fail (string != NULL, FALSE);
 
+  string_len = strlen (string);
+
   if (g_ascii_strncasecmp (parser->data, string, string_len) != 0)
     return FALSE;
 
@@ -562,33 +565,6 @@ _gtk_css_parser_try_int (GtkCssParser *parser,
   return TRUE;
 }
 
-gboolean
-_gtk_css_parser_try_uint (GtkCssParser *parser,
-                          guint        *value)
-{
-  guint64 result;
-  char *end;
-
-  g_return_val_if_fail (GTK_IS_CSS_PARSER (parser), FALSE);
-  g_return_val_if_fail (value != NULL, FALSE);
-
-  errno = 0;
-  result = g_ascii_strtoull (parser->data, &end, 10);
-  if (errno)
-    return FALSE;
-  if (result > G_MAXUINT)
-    return FALSE;
-  if (parser->data == end)
-    return FALSE;
-
-  parser->data = end;
-  *value = result;
-
-  _gtk_css_parser_skip_whitespace (parser);
-
-  return TRUE;
-}
-
 gboolean
 _gtk_css_parser_try_double (GtkCssParser *parser,
                             gdouble      *value)
diff --git a/gtk/gtkcssparserprivate.h b/gtk/gtkcssparserprivate.h
index e5acde65e9..73b498a4fa 100644
--- a/gtk/gtkcssparserprivate.h
+++ b/gtk/gtkcssparserprivate.h
@@ -61,10 +61,8 @@ gboolean        _gtk_css_parser_is_string         (GtkCssParser          *parser
  * however is fine to call if you don’t know yet if the token is a foo or a bar,
  * you can _try_bar() if try_foo() failed.
  */
-#define        _gtk_css_parser_try(p, s, skip) (gtk_css_parser_try_len (p, s, strlen(s), skip))
-gboolean        gtk_css_parser_try_len            (GtkCssParser          *parser,
+gboolean        _gtk_css_parser_try               (GtkCssParser          *parser,
                                                    const char            *string,
-                                                   gsize                  string_len,
                                                    gboolean               skip_whitespace);
 char *          _gtk_css_parser_try_ident         (GtkCssParser          *parser,
                                                    gboolean               skip_whitespace);
@@ -72,8 +70,6 @@ char *          _gtk_css_parser_try_name          (GtkCssParser          *parser
                                                    gboolean               skip_whitespace);
 gboolean        _gtk_css_parser_try_int           (GtkCssParser          *parser,
                                                    int                   *value);
-gboolean        _gtk_css_parser_try_uint          (GtkCssParser          *parser,
-                                                   guint                 *value);
 gboolean        _gtk_css_parser_try_double        (GtkCssParser          *parser,
                                                    gdouble               *value);
 gboolean        _gtk_css_parser_try_hash_color    (GtkCssParser          *parser,