From 6feac4a315574b9cc037a328018e6ba9398a77d5 Mon Sep 17 00:00:00 2001
From: Robert Bieber <robby@bieberphoto.com>
Date: Thu, 3 Jun 2010 07:38:59 +0000
Subject: Theme Editor: Added syntax highlighting

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26506 a1c6a512-1295-4272-9138-f99709370657
---
 utils/themeeditor/skinhighlighter.cpp | 132 ++++++++++++++++++++++++++++++++++
 1 file changed, 132 insertions(+)
 create mode 100644 utils/themeeditor/skinhighlighter.cpp

(limited to 'utils/themeeditor/skinhighlighter.cpp')

diff --git a/utils/themeeditor/skinhighlighter.cpp b/utils/themeeditor/skinhighlighter.cpp
new file mode 100644
index 0000000000..4b8de9a804
--- /dev/null
+++ b/utils/themeeditor/skinhighlighter.cpp
@@ -0,0 +1,132 @@
+#include "skinhighlighter.h"
+
+SkinHighlighter::SkinHighlighter(QColor comment, QColor tag, QColor conditional,
+                                 QColor escaped, QTextDocument* doc)
+                                     :QSyntaxHighlighter(doc),
+                                     escaped(escaped), tag(tag),
+                                     conditional(conditional), comment(comment)
+{
+
+}
+
+SkinHighlighter::~SkinHighlighter()
+{
+
+}
+
+void SkinHighlighter::highlightBlock(const QString& text)
+{
+    for(int i = 0; i < text.length(); i++)
+    {
+        QChar c = text[i];
+
+        /* Checking for delimiters */
+        if(c == ARGLISTOPENSYM
+           || c == ARGLISTCLOSESYM
+           || c == ARGLISTSEPERATESYM)
+            setFormat(i, 1, tag);
+
+        if(c == ENUMLISTOPENSYM
+           || c == ENUMLISTCLOSESYM
+           || c == ENUMLISTSEPERATESYM)
+            setFormat(i, 1, conditional);
+
+        /* Checking for comments */
+        if(c == COMMENTSYM)
+        {
+            setFormat(i, text.length() - i, comment);
+            return;
+        }
+
+        if(c == TAGSYM)
+        {
+            if(text.length() - i < 2)
+                return;
+
+            if(find_escape_character(text[i + 1].toAscii()))
+            {
+                /* Checking for escaped characters */
+
+                setFormat(i, 2, escaped);
+                i++;
+            }
+            else if(text[i + 1] != CONDITIONSYM)
+            {
+                /* Checking for normal tags */
+
+                char lookup[3];
+                struct tag_info* found = 0;
+
+                /* First checking for a two-character tag name */
+                lookup[2] = '\0';
+
+                if(text.length() - i >= 3)
+                {
+                    lookup[0] = text[i + 1].toAscii();
+                    lookup[1] = text[i + 2].toAscii();
+
+                    found = find_tag(lookup);
+                }
+
+                if(found)
+                {
+                    setFormat(i, 3, tag);
+                    i += 2;
+                }
+                else
+                {
+                    lookup[1] = '\0';
+                    lookup[0] = text[i + 1].toAscii();
+                    found = find_tag(lookup);
+
+                    if(found)
+                    {
+                        setFormat(i, 2, tag);
+                        i++;
+                    }
+                }
+
+            }
+            else if(text[i + 1] == CONDITIONSYM)
+            {
+                /* Checking for conditional tags */
+
+                if(text.length() - i < 3)
+                    return;
+
+                char lookup[3];
+                struct tag_info* found = 0;
+
+                lookup[2] = '\0';
+
+                if(text.length() - i >= 4)
+                {
+                    lookup[0] = text[i + 2].toAscii();
+                    lookup[1] = text[i + 3].toAscii();
+
+                    found = find_tag(lookup);
+                }
+
+                if(found)
+                {
+                    setFormat(i, 4, conditional);
+                    i += 3;
+                }
+                else
+                {
+                    lookup[1] = '\0';
+                    lookup[0] = text[i + 2].toAscii();
+
+                    found = find_tag(lookup);
+
+                    if(found)
+                    {
+                        setFormat(i, 3, conditional);
+                        i += 2;
+                    }
+                }
+
+            }
+        }
+    }
+}
-- 
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