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-rw-r--r--gui/ThemeParser.cpp207
-rw-r--r--gui/ThemeParser.h98
2 files changed, 24 insertions, 281 deletions
diff --git a/gui/ThemeParser.cpp b/gui/ThemeParser.cpp
index 287805b0b6..9f029a874e 100644
--- a/gui/ThemeParser.cpp
+++ b/gui/ThemeParser.cpp
@@ -28,44 +28,28 @@
#include "common/events.h"
#include "common/hashmap.h"
#include "common/hash-str.h"
+#include "common/xmlparser.h"
#include "gui/InterfaceManager.h"
#include "gui/ThemeParser.h"
#include "graphics/VectorRenderer.h"
-/**
-
-<drawdata = "background_default" cache = true>
- <draw func = "roundedsq" fill = "gradient" gradient_start = "255, 255, 128" gradient_end = "128, 128, 128" size = "auto">
- <draw func = "roundedsq" fill = "none" color = "0, 0, 0" size = "auto">
-</drawdata>
-
-*/
-
namespace GUI {
using namespace Graphics;
+using namespace Common;
-void ThemeParser::debug_testEval() {
- static const char *debugConfigText =
- "</* lol this is just a moronic test */drawdata id = \"background_default\" cache = true>\n"
- "<drawstep func = \"roundedsq\" fill = \"gradient\" gradient_start = \"255, 255, 128\" gradient_end = \"128, 128, 128\" size = \"auto\"/>\n"
- "//<drawstep func = \"roundedsq\" fill = \"none\" color = /*\"0, 0, 0\"*/\"0, 1, 2\" size = \"auto\"/>\n"
- "</ drawdata>/* lol this is just a simple test*/\n";
-
- _text = strdup(debugConfigText);
-
- Common::String test = "12, 125, 125";
-
- printf("\n\nRegex result: %s.\n\n", test.regexMatch("^[d]*,[d]*,[d]*$", true) ? "Success." : "Fail");
-
- parse();
+ThemeParser::ThemeParser() : XMLParser() {
+ _callbacks["drawstep"] = &ThemeParser::parserCallback_DRAWSTEP;
+ _callbacks["drawdata"] = &ThemeParser::parserCallback_DRAWDATA;
}
-
-void ThemeParser::parserError(const char *error_string) {
- _state = kParserError;
- printf("PARSER ERROR: %s\n", error_string);
+bool ThemeParser::keyCallback(Common::String keyName) {
+ // automatically handle with a function from the hash table.
+ if (!_callbacks.contains(_activeKey.top()->name))
+ return false;
+
+ return (this->*(_callbacks[_activeKey.top()->name]))();
}
Graphics::DrawStep *ThemeParser::newDrawStep() {
@@ -88,7 +72,7 @@ Graphics::DrawStep *ThemeParser::newDrawStep() {
return step;
}
-void ThemeParser::parserCallback_DRAWSTEP() {
+bool ThemeParser::parserCallback_DRAWSTEP() {
ParserNode *stepNode = _activeKey.pop();
ParserNode *drawdataNode = _activeKey.pop();
@@ -104,7 +88,7 @@ void ThemeParser::parserCallback_DRAWSTEP() {
parserError("Invalid drawing function in draw step.");
_activeKey.push(drawdataNode);
_activeKey.push(stepNode);
- return;
+ return false;
}
drawstep->drawingCall = _drawFunctions[functionName];
@@ -121,173 +105,12 @@ void ThemeParser::parserCallback_DRAWSTEP() {
_activeKey.push(drawdataNode);
_activeKey.push(stepNode);
-}
-
-void ThemeParser::parserCallback_DRAWDATA() {
- printf("Drawdata callback!\n");
-}
-
-void ThemeParser::parseActiveKey(bool closed) {
- printf("Parsed key %s.\n", _activeKey.top()->name.c_str());
-
- if (!_callbacks.contains(_activeKey.top()->name)) {
- parserError("Unhandled value inside key.");
- return;
- }
-
- // Don't you just love C++ syntax? Water clear.
- (this->*(_callbacks[_activeKey.top()->name]))();
-
-// for (Common::StringMap::const_iterator t = _activeKey.top()->values.begin(); t != _activeKey.top()->values.end(); ++t)
-// printf(" Key %s = %s\n", t->_key.c_str(), t->_value.c_str());
-
- if (closed) {
- delete _activeKey.pop();
- }
-}
-
-bool ThemeParser::parseKeyValue(Common::String keyName) {
- assert(_activeKey.empty() == false);
-
- if (_activeKey.top()->values.contains(keyName))
- return false;
-
- _token.clear();
- char stringStart;
-
- if (_text[_pos] == '"' || _text[_pos] == '\'') {
- stringStart = _text[_pos++];
-
- while (_text[_pos] && _text[_pos] != stringStart)
- _token += _text[_pos++];
-
- if (_text[_pos++] == 0)
- return false;
-
- } else if (!parseToken()) {
- return false;
- }
- _activeKey.top()->values[keyName] = _token;
return true;
}
-bool ThemeParser::parse() {
-
- bool activeClosure = false;
- bool selfClosure = false;
-
- _state = kParserNeedKey;
- _pos = 0;
- _activeKey.clear();
-
- while (_text[_pos]) {
- if (_state == kParserError)
- break;
-
- if (skipSpaces())
- continue;
-
- if (skipComments())
- continue;
-
- switch (_state) {
- case kParserNeedKey:
- if (_text[_pos++] != '<') {
- parserError("Expecting key start.");
- break;
- }
-
- if (_text[_pos] == 0) {
- parserError("Unexpected end of file.");
- break;
- }
-
- if (_text[_pos] == '/' && _text[_pos + 1] != '*') {
- _pos++;
- activeClosure = true;
- }
-
- _state = kParserNeedKeyName;
- break;
-
- case kParserNeedKeyName:
- if (!parseToken()) {
- parserError("Invalid key name.");
- break;
- }
-
- if (activeClosure) {
- if (_activeKey.empty() || _token != _activeKey.top()->name)
- parserError("Unexpected closure.");
- } else {
- ParserNode *node = new ParserNode;
- node->name = _token;
- _activeKey.push(node);
- }
-
- _state = kParserNeedPropertyName;
- break;
-
- case kParserNeedPropertyName:
- if (activeClosure) {
- activeClosure = false;
- delete _activeKey.pop();
-
- if (_text[_pos++] != '>')
- parserError("Invalid syntax in key closure.");
- else
- _state = kParserNeedKey;
-
- break;
- }
-
- selfClosure = (_text[_pos] == '/');
-
- if ((selfClosure && _text[_pos + 1] == '>') || _text[_pos] == '>') {
- parseActiveKey(selfClosure);
- _pos += selfClosure ? 2 : 1;
- _state = kParserNeedKey;
- break;
- }
-
- if (!parseToken())
- parserError("Error when parsing key value.");
- else
- _state = kParserNeedPropertyOperator;
-
- break;
-
- case kParserNeedPropertyOperator:
- if (_text[_pos++] != '=')
- parserError("Unexpected character after key name.");
- else
- _state = kParserNeedPropertyValue;
-
- break;
-
- case kParserNeedPropertyValue:
- if (!parseKeyValue(_token))
- parserError("Unable to parse key value.");
- else
- _state = kParserNeedPropertyName;
-
- break;
-
- default:
- break;
- }
- }
-
- if (_state == kParserError) {
- return false;
- }
-
- if (_state != kParserNeedKey || !_activeKey.empty()) {
- parserError("Unexpected end of file.");
- return false;
- }
-
+bool ThemeParser::parserCallback_DRAWDATA() {
+ printf("Drawdata callback!\n");
return true;
}
diff --git a/gui/ThemeParser.h b/gui/ThemeParser.h
index c5ee55dbbf..108a7263ba 100644
--- a/gui/ThemeParser.h
+++ b/gui/ThemeParser.h
@@ -33,6 +33,7 @@
#include "common/hashmap.h"
#include "common/hash-str.h"
#include "common/stack.h"
+#include "common/xmlparser.h"
#include "graphics/VectorRenderer.h"
@@ -305,106 +306,25 @@ func = "fill"
namespace GUI {
using namespace Graphics;
+using namespace Common;
-class ThemeParser {
-
- static const int kParserMaxDepth = 4;
- typedef void (ThemeParser::*ParserCallback)();
+class ThemeParser : public XMLParser {
typedef void (VectorRenderer::*DrawingFunctionCallback)(const Common::Rect &, const DrawStep &);
+ typedef bool (ThemeParser::*ParserCallback)();
public:
- ThemeParser() {
- _callbacks["drawdata"] = &ThemeParser::parserCallback_DRAWDATA;
- _callbacks["drawstep"] = &ThemeParser::parserCallback_DRAWSTEP;
- }
-
- ~ThemeParser() {}
-
- enum ParserState {
- kParserNeedKey,
- kParserNeedKeyName,
+ ThemeParser();
- kParserNeedPropertyName,
- kParserNeedPropertyOperator,
- kParserNeedPropertyValue,
-
- kParserError
- };
-
- bool parse();
- void debug_testEval();
-
protected:
- void parserCallback_DRAWSTEP();
- void parserCallback_DRAWDATA();
+ bool keyCallback(Common::String keyName);
- bool parseKeyValue(Common::String keyName);
- void parseActiveKey(bool closed);
- void parserError(const char *errorString);
+ bool parserCallback_DRAWSTEP();
+ bool parserCallback_DRAWDATA();
Graphics::DrawStep *newDrawStep();
- inline bool skipSpaces() {
- if (!isspace(_text[_pos]))
- return false;
-
- while (_text[_pos] && isspace(_text[_pos]))
- _pos++;
-
- return true;
- }
-
- inline bool skipComments() {
- if (_text[_pos] == '/' && _text[_pos + 1] == '*') {
- _pos += 2;
- while (_text[_pos++]) {
- if (_text[_pos - 2] == '*' && _text[_pos - 1] == '/')
- break;
- if (_text[_pos] == 0)
- parserError("Comment has no closure.");
- }
- return true;
- }
-
- if (_text[_pos] == '/' && _text[_pos + 1] == '/') {
- _pos += 2;
- while (_text[_pos] && _text[_pos] != '\n')
- _pos++;
- return true;
- }
-
- return false;
- }
-
- inline bool isValidNameChar(char c) {
- return isalnum(c) || c == '_';
- }
-
- inline bool parseToken() {
- _token.clear();
- while (isValidNameChar(_text[_pos]))
- _token += _text[_pos++];
-
- return isspace(_text[_pos]) != 0 || _text[_pos] == '>';
- }
-
- int _pos;
- char *_text;
-
- ParserState _state;
-
- Common::String _error;
- Common::String _token;
-
- struct ParserNode {
- Common::String name;
- Common::StringMap values;
- };
-
- Common::FixedStack<ParserNode*, kParserMaxDepth> _activeKey;
-
- Common::HashMap<Common::String, ParserCallback, Common::IgnoreCase_Hash, Common::IgnoreCase_EqualTo> _callbacks;
Common::HashMap<Common::String, DrawingFunctionCallback, Common::IgnoreCase_Hash, Common::IgnoreCase_EqualTo> _drawFunctions;
+ Common::HashMap<Common::String, ParserCallback, Common::IgnoreCase_Hash, Common::IgnoreCase_EqualTo> _callbacks;
};
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-22 05:25:40 +0000