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Diffstat (limited to 'libs/utils/PropertyMap.cpp')
| -rw-r--r-- | libs/utils/PropertyMap.cpp | 218 |
1 files changed, 0 insertions, 218 deletions
diff --git a/libs/utils/PropertyMap.cpp b/libs/utils/PropertyMap.cpp deleted file mode 100644 index 5520702..0000000 --- a/libs/utils/PropertyMap.cpp +++ /dev/null @@ -1,218 +0,0 @@ -/* - * Copyright (C) 2008 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#define LOG_TAG "PropertyMap" - -#include <stdlib.h> -#include <string.h> - -#include <utils/PropertyMap.h> -#include <utils/Log.h> - -// Enables debug output for the parser. -#define DEBUG_PARSER 0 - -// Enables debug output for parser performance. -#define DEBUG_PARSER_PERFORMANCE 0 - - -namespace android { - -static const char* WHITESPACE = " \t\r"; -static const char* WHITESPACE_OR_PROPERTY_DELIMITER = " \t\r="; - - -// --- PropertyMap --- - -PropertyMap::PropertyMap() { -} - -PropertyMap::~PropertyMap() { -} - -void PropertyMap::clear() { - mProperties.clear(); -} - -void PropertyMap::addProperty(const String8& key, const String8& value) { - mProperties.add(key, value); -} - -bool PropertyMap::hasProperty(const String8& key) const { - return mProperties.indexOfKey(key) >= 0; -} - -bool PropertyMap::tryGetProperty(const String8& key, String8& outValue) const { - ssize_t index = mProperties.indexOfKey(key); - if (index < 0) { - return false; - } - - outValue = mProperties.valueAt(index); - return true; -} - -bool PropertyMap::tryGetProperty(const String8& key, bool& outValue) const { - int32_t intValue; - if (!tryGetProperty(key, intValue)) { - return false; - } - - outValue = intValue; - return true; -} - -bool PropertyMap::tryGetProperty(const String8& key, int32_t& outValue) const { - String8 stringValue; - if (! tryGetProperty(key, stringValue) || stringValue.length() == 0) { - return false; - } - - char* end; - int value = strtol(stringValue.string(), & end, 10); - if (*end != '\0') { - ALOGW("Property key '%s' has invalid value '%s'. Expected an integer.", - key.string(), stringValue.string()); - return false; - } - outValue = value; - return true; -} - -bool PropertyMap::tryGetProperty(const String8& key, float& outValue) const { - String8 stringValue; - if (! tryGetProperty(key, stringValue) || stringValue.length() == 0) { - return false; - } - - char* end; - float value = strtof(stringValue.string(), & end); - if (*end != '\0') { - ALOGW("Property key '%s' has invalid value '%s'. Expected a float.", - key.string(), stringValue.string()); - return false; - } - outValue = value; - return true; -} - -void PropertyMap::addAll(const PropertyMap* map) { - for (size_t i = 0; i < map->mProperties.size(); i++) { - mProperties.add(map->mProperties.keyAt(i), map->mProperties.valueAt(i)); - } -} - -status_t PropertyMap::load(const String8& filename, PropertyMap** outMap) { - *outMap = NULL; - - Tokenizer* tokenizer; - status_t status = Tokenizer::open(filename, &tokenizer); - if (status) { - ALOGE("Error %d opening property file %s.", status, filename.string()); - } else { - PropertyMap* map = new PropertyMap(); - if (!map) { - ALOGE("Error allocating property map."); - status = NO_MEMORY; - } else { -#if DEBUG_PARSER_PERFORMANCE - nsecs_t startTime = systemTime(SYSTEM_TIME_MONOTONIC); -#endif - Parser parser(map, tokenizer); - status = parser.parse(); -#if DEBUG_PARSER_PERFORMANCE - nsecs_t elapsedTime = systemTime(SYSTEM_TIME_MONOTONIC) - startTime; - ALOGD("Parsed property file '%s' %d lines in %0.3fms.", - tokenizer->getFilename().string(), tokenizer->getLineNumber(), - elapsedTime / 1000000.0); -#endif - if (status) { - delete map; - } else { - *outMap = map; - } - } - delete tokenizer; - } - return status; -} - - -// --- PropertyMap::Parser --- - -PropertyMap::Parser::Parser(PropertyMap* map, Tokenizer* tokenizer) : - mMap(map), mTokenizer(tokenizer) { -} - -PropertyMap::Parser::~Parser() { -} - -status_t PropertyMap::Parser::parse() { - while (!mTokenizer->isEof()) { -#if DEBUG_PARSER - ALOGD("Parsing %s: '%s'.", mTokenizer->getLocation().string(), - mTokenizer->peekRemainderOfLine().string()); -#endif - - mTokenizer->skipDelimiters(WHITESPACE); - - if (!mTokenizer->isEol() && mTokenizer->peekChar() != '#') { - String8 keyToken = mTokenizer->nextToken(WHITESPACE_OR_PROPERTY_DELIMITER); - if (keyToken.isEmpty()) { - ALOGE("%s: Expected non-empty property key.", mTokenizer->getLocation().string()); - return BAD_VALUE; - } - - mTokenizer->skipDelimiters(WHITESPACE); - - if (mTokenizer->nextChar() != '=') { - ALOGE("%s: Expected '=' between property key and value.", - mTokenizer->getLocation().string()); - return BAD_VALUE; - } - - mTokenizer->skipDelimiters(WHITESPACE); - - String8 valueToken = mTokenizer->nextToken(WHITESPACE); - if (valueToken.find("\\", 0) >= 0 || valueToken.find("\"", 0) >= 0) { - ALOGE("%s: Found reserved character '\\' or '\"' in property value.", - mTokenizer->getLocation().string()); - return BAD_VALUE; - } - - mTokenizer->skipDelimiters(WHITESPACE); - if (!mTokenizer->isEol()) { - ALOGE("%s: Expected end of line, got '%s'.", - mTokenizer->getLocation().string(), - mTokenizer->peekRemainderOfLine().string()); - return BAD_VALUE; - } - - if (mMap->hasProperty(keyToken)) { - ALOGE("%s: Duplicate property value for key '%s'.", - mTokenizer->getLocation().string(), keyToken.string()); - return BAD_VALUE; - } - - mMap->addProperty(keyToken, valueToken); - } - - mTokenizer->nextLine(); - } - return NO_ERROR; -} - -} // namespace android |