1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 // Description: 25 // Parse a string of features specified as ; separated pairs. 26 // e.g. 27 // 1001=1&2002=2&fav1=0 28 #include <preextstl.h> 29 #include <graphite/GrClient.h> 30 #include <graphite/Font.h> 31 #include <graphite/GrFeature.h> 32 #include <postextstl.h> 33 34 namespace grutils 35 { 36 37 class GrFeatureParser 38 { 39 public: 40 enum { MAX_FEATURES = 64 }; 41 static const char FEAT_PREFIX; 42 static const char FEAT_SEPARATOR; 43 static const char FEAT_ID_VALUE_SEPARATOR; 44 static const std::string ISO_LANG; 45 GrFeatureParser(gr::Font & font, const std::string features, const std::string lang); 46 GrFeatureParser(gr::Font & font, const std::string lang); 47 GrFeatureParser(const GrFeatureParser & copy); 48 ~GrFeatureParser(); 49 size_t getFontFeatures(gr::FeatureSetting settings[MAX_FEATURES]) const; parseErrors()50 bool parseErrors() { return mbErrors; }; 51 static bool isValid(gr::Font & font, gr::FeatureSetting & setting); getLanguage() const52 gr::isocode getLanguage() const { return maLang; }; hasLanguage() const53 bool hasLanguage() const { return (maLang.rgch[0] != '\0'); } 54 sal_Int32 hashCode() const; 55 private: 56 void setLang(gr::Font & font, const std::string & lang); 57 bool isCharId(const std::string & id, size_t offset, size_t length); 58 int getCharId(const std::string & id, size_t offset, size_t length); 59 int getIntValue(const std::string & id, size_t offset, size_t length); 60 size_t mnNumSettings; 61 gr::isocode maLang; 62 bool mbErrors; 63 gr::FeatureSetting maSettings[64]; 64 }; 65 66 union FeatId 67 { 68 gr::featid num; 69 unsigned char label[5]; 70 }; 71 } 72