diff options
Diffstat (limited to 'fbreader/src/formats/css/StyleSheetParser.cpp')
| -rw-r--r-- | fbreader/src/formats/css/StyleSheetParser.cpp | 244 |
1 files changed, 0 insertions, 244 deletions
diff --git a/fbreader/src/formats/css/StyleSheetParser.cpp b/fbreader/src/formats/css/StyleSheetParser.cpp deleted file mode 100644 index 33dc900..0000000 --- a/fbreader/src/formats/css/StyleSheetParser.cpp +++ /dev/null @@ -1,244 +0,0 @@ -/* - * Copyright (C) 2004-2012 Geometer Plus <contact@geometerplus.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - */ - -#include <cctype> -#include <cstring> - -#include <ZLStringUtil.h> -#include <ZLInputStream.h> -#include <ZLLogger.h> - -#include "StyleSheetParser.h" - -StyleSheetTableParser::StyleSheetTableParser(StyleSheetTable &table) : myTable(table) { - //ZLLogger::Instance().registerClass("CSS"); -} - -void StyleSheetTableParser::storeData(const std::string &selector, const StyleSheetTable::AttributeMap &map) { - std::string s = selector; - ZLStringUtil::stripWhiteSpaces(s); - - if (s.empty()) { - return; - } - - if (s[0] == '@') { - processAtRule(s, map); - return; - } - - const std::vector<std::string> ids = ZLStringUtil::split(s, ","); - for (std::vector<std::string>::const_iterator it = ids.begin(); it != ids.end(); ++it) { - std::string id = *it; - ZLStringUtil::stripWhiteSpaces(id); - if (!id.empty()) { - const std::size_t index = id.find('.'); - if (index == std::string::npos) { - myTable.addMap(id, std::string(), map); - } else { - myTable.addMap(id.substr(0, index), id.substr(index + 1), map); - } - } - } -} - -void StyleSheetTableParser::processAtRule(const std::string &name, const StyleSheetTable::AttributeMap &map) { - (void)map; - if (name == "@font-face") { - } -} - -shared_ptr<ZLTextStyleEntry> StyleSheetSingleStyleParser::parseString(const char *text) { - myReadState = WAITING_FOR_ATTRIBUTE; - parse(text, std::strlen(text), true); - shared_ptr<ZLTextStyleEntry> control = StyleSheetTable::createControl(myMap); - reset(); - return control; -} - -StyleSheetParser::StyleSheetParser() { - reset(); -} - -StyleSheetParser::~StyleSheetParser() { -} - -void StyleSheetParser::reset() { - myWord.erase(); - myAttributeName.erase(); - myReadState = WAITING_FOR_SELECTOR; - myInsideComment = false; - mySelectorString.erase(); - myMap.clear(); -} - -void StyleSheetParser::parse(ZLInputStream &stream) { - if (stream.open()) { - char *buffer = new char[1024]; - while (true) { - int len = stream.read(buffer, 1024); - if (len == 0) { - break; - } - parse(buffer, len); - } - delete[] buffer; - stream.close(); - } -} - -void StyleSheetParser::parse(const char *text, int len, bool final) { - const char *start = text; - const char *end = text + len; - for (const char *ptr = start; ptr != end; ++ptr) { - if (std::isspace(*ptr)) { - if (start != ptr) { - myWord.append(start, ptr - start); - } - processWord(myWord); - myWord.erase(); - start = ptr + 1; - } else if (isControlSymbol(*ptr)) { - if (start != ptr) { - myWord.append(start, ptr - start); - } - processWord(myWord); - myWord.erase(); - processControl(*ptr); - start = ptr + 1; - } - } - if (start < end) { - myWord.append(start, end - start); - if (final) { - processWord(myWord); - myWord.erase(); - } - } -} - -bool StyleSheetParser::isControlSymbol(const char symbol) { - switch (myReadState) { - default: - case WAITING_FOR_SELECTOR: - return false; - case SELECTOR: - return symbol == '{' || symbol == ';'; - case WAITING_FOR_ATTRIBUTE: - return symbol == '}' || symbol == ':'; - case ATTRIBUTE_NAME: - return symbol == ':'; - case ATTRIBUTE_VALUE: - return symbol == '}' || symbol == ';'; - } -} - -void StyleSheetParser::storeData(const std::string&, const StyleSheetTable::AttributeMap&) { -} - -void StyleSheetParser::processAtRule(const std::string&, const StyleSheetTable::AttributeMap&) { -} - -void StyleSheetParser::processControl(const char control) { - switch (myReadState) { - case WAITING_FOR_SELECTOR: - break; - case SELECTOR: - switch (control) { - case '{': - myReadState = WAITING_FOR_ATTRIBUTE; - break; - case ';': - myReadState = WAITING_FOR_SELECTOR; - mySelectorString.erase(); - break; - } - break; - case WAITING_FOR_ATTRIBUTE: - if (control == '}') { - myReadState = WAITING_FOR_SELECTOR; - storeData(mySelectorString, myMap); - mySelectorString.erase(); - myMap.clear(); - } - break; - case ATTRIBUTE_NAME: - if (control == ':') { - myReadState = ATTRIBUTE_VALUE; - } - break; - case ATTRIBUTE_VALUE: - if (control == ';') { - myReadState = WAITING_FOR_ATTRIBUTE; - } else if (control == '}') { - myReadState = WAITING_FOR_SELECTOR; - storeData(mySelectorString, myMap); - mySelectorString.erase(); - myMap.clear(); - } - break; - } -} - -void StyleSheetParser::processWord(std::string &word) { - while (!word.empty()) { - int index = word.find(myInsideComment ? "*/" : "/*"); - if (!myInsideComment) { - if (index == -1) { - processWordWithoutComments(word); - } else if (index > 0) { - processWordWithoutComments(word.substr(0, index)); - } - } - if (index == -1) { - break; - } - myInsideComment = !myInsideComment; - word.erase(0, index + 2); - } -} - -void StyleSheetParser::processWordWithoutComments(const std::string &word) { - switch (myReadState) { - case WAITING_FOR_SELECTOR: - myReadState = SELECTOR; - mySelectorString = word; - break; - case SELECTOR: - mySelectorString += ' ' + word; - break; - case WAITING_FOR_ATTRIBUTE: - myReadState = ATTRIBUTE_NAME; - // go through - case ATTRIBUTE_NAME: - myAttributeName = word; - myMap[myAttributeName].clear(); - break; - case ATTRIBUTE_VALUE: - { - const std::size_t l = word.length(); - if (l >= 2 && (word[0] == '"' || word[0] == '\'') && word[0] == word[l - 1]) { - myMap[myAttributeName].push_back(word.substr(1, l - 2)); - } else { - myMap[myAttributeName].push_back(word); - } - break; - } - } -} |