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/*
* Copyright (C) 2014 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.
*/
#ifndef __AAPT_XML_H
#define __AAPT_XML_H
#include <androidfw/ResourceTypes.h>
#include <utils/String8.h>
/**
* Utility methods for dealing with ResXMLTree.
*/
namespace AaptXml {
/**
* Returns the index of the attribute, or < 0 if it was not found.
*/
ssize_t indexOfAttribute(const android::ResXMLTree& tree, uint32_t attrRes);
/**
* Returns the string value for the specified attribute.
* The string must be present in the ResXMLTree's string pool (inline in the XML).
*/
android::String8 getAttribute(const android::ResXMLTree& tree, const char* ns,
const char* attr, android::String8* outError = NULL);
/**
* Returns the string value for the specified attribute, or an empty string
* if the attribute does not exist.
* The string must be present in the ResXMLTree's string pool (inline in the XML).
*/
android::String8 getAttribute(const android::ResXMLTree& tree, uint32_t attrRes,
android::String8* outError = NULL);
/**
* Returns the integer value for the specified attribute, or the default value
* if the attribute does not exist.
* The integer must be declared inline in the XML.
*/
int32_t getIntegerAttribute(const android::ResXMLTree& tree, const char* ns,
const char* attr, int32_t defValue = -1, android::String8* outError = NULL);
/**
* Returns the integer value for the specified attribute, or the default value
* if the attribute does not exist.
* The integer must be declared inline in the XML.
*/
inline int32_t getIntegerAttribute(const android::ResXMLTree& tree, const char* ns,
const char* attr, android::String8* outError) {
return getIntegerAttribute(tree, ns, attr, -1, outError);
}
/**
* Returns the integer value for the specified attribute, or the default value
* if the attribute does not exist.
* The integer must be declared inline in the XML.
*/
int32_t getIntegerAttribute(const android::ResXMLTree& tree, uint32_t attrRes,
int32_t defValue = -1, android::String8* outError = NULL);
/**
* Returns the integer value for the specified attribute, or the default value
* if the attribute does not exist.
* The integer must be declared inline in the XML.
*/
inline int32_t getIntegerAttribute(const android::ResXMLTree& tree, uint32_t attrRes,
android::String8* outError) {
return getIntegerAttribute(tree, attrRes, -1, outError);
}
/**
* Returns the integer value for the specified attribute, or the default value
* if the attribute does not exist.
* The integer may be a resource in the supplied ResTable.
*/
int32_t getResolvedIntegerAttribute(const android::ResTable& resTable,
const android::ResXMLTree& tree, uint32_t attrRes, int32_t defValue = -1,
android::String8* outError = NULL);
/**
* Returns the integer value for the specified attribute, or the default value
* if the attribute does not exist.
* The integer may be a resource in the supplied ResTable.
*/
inline int32_t getResolvedIntegerAttribute(const android::ResTable& resTable,
const android::ResXMLTree& tree, uint32_t attrRes,
android::String8* outError) {
return getResolvedIntegerAttribute(resTable, tree, attrRes, -1, outError);
}
/**
* Returns the string value for the specified attribute, or an empty string
* if the attribute does not exist.
* The string may be a resource in the supplied ResTable.
*/
android::String8 getResolvedAttribute(const android::ResTable& resTable,
const android::ResXMLTree& tree, uint32_t attrRes,
android::String8* outError = NULL);
/**
* Returns the resource for the specified attribute in the outValue parameter.
* The resource may be a resource in the supplied ResTable.
*/
void getResolvedResourceAttribute(const android::ResTable& resTable,
const android::ResXMLTree& tree, uint32_t attrRes, android::Res_value* outValue,
android::String8* outError = NULL);
} // namespace AaptXml
#endif // __AAPT_XML_H
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