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124 lines
4.4 KiB
124 lines
4.4 KiB
/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef __AAPT_XML_H
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#define __AAPT_XML_H
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#include <androidfw/ResourceTypes.h>
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#include <utils/String8.h>
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/**
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* Utility methods for dealing with ResXMLTree.
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*/
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namespace AaptXml {
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/**
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* Returns the index of the attribute, or < 0 if it was not found.
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*/
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ssize_t indexOfAttribute(const android::ResXMLTree& tree, uint32_t attrRes);
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/**
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* Returns the string value for the specified attribute.
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* The string must be present in the ResXMLTree's string pool (inline in the XML).
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*/
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android::String8 getAttribute(const android::ResXMLTree& tree, const char* ns,
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const char* attr, android::String8* outError = NULL);
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/**
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* Returns the string value for the specified attribute, or an empty string
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* if the attribute does not exist.
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* The string must be present in the ResXMLTree's string pool (inline in the XML).
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*/
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android::String8 getAttribute(const android::ResXMLTree& tree, uint32_t attrRes,
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android::String8* outError = NULL);
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/**
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* Returns the integer value for the specified attribute, or the default value
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* if the attribute does not exist.
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* The integer must be declared inline in the XML.
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*/
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int32_t getIntegerAttribute(const android::ResXMLTree& tree, const char* ns,
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const char* attr, int32_t defValue = -1, android::String8* outError = NULL);
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/**
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* Returns the integer value for the specified attribute, or the default value
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* if the attribute does not exist.
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* The integer must be declared inline in the XML.
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*/
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inline int32_t getIntegerAttribute(const android::ResXMLTree& tree, const char* ns,
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const char* attr, android::String8* outError) {
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return getIntegerAttribute(tree, ns, attr, -1, outError);
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}
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/**
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* Returns the integer value for the specified attribute, or the default value
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* if the attribute does not exist.
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* The integer must be declared inline in the XML.
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*/
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int32_t getIntegerAttribute(const android::ResXMLTree& tree, uint32_t attrRes,
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int32_t defValue = -1, android::String8* outError = NULL);
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/**
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* Returns the integer value for the specified attribute, or the default value
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* if the attribute does not exist.
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* The integer must be declared inline in the XML.
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*/
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inline int32_t getIntegerAttribute(const android::ResXMLTree& tree, uint32_t attrRes,
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android::String8* outError) {
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return getIntegerAttribute(tree, attrRes, -1, outError);
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}
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/**
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* Returns the integer value for the specified attribute, or the default value
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* if the attribute does not exist.
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* The integer may be a resource in the supplied ResTable.
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*/
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int32_t getResolvedIntegerAttribute(const android::ResTable& resTable,
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const android::ResXMLTree& tree, uint32_t attrRes, int32_t defValue = -1,
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android::String8* outError = NULL);
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/**
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* Returns the integer value for the specified attribute, or the default value
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* if the attribute does not exist.
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* The integer may be a resource in the supplied ResTable.
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*/
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inline int32_t getResolvedIntegerAttribute(const android::ResTable& resTable,
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const android::ResXMLTree& tree, uint32_t attrRes,
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android::String8* outError) {
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return getResolvedIntegerAttribute(resTable, tree, attrRes, -1, outError);
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}
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/**
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* Returns the string value for the specified attribute, or an empty string
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* if the attribute does not exist.
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* The string may be a resource in the supplied ResTable.
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*/
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android::String8 getResolvedAttribute(const android::ResTable& resTable,
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const android::ResXMLTree& tree, uint32_t attrRes,
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android::String8* outError = NULL);
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/**
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* Returns the resource for the specified attribute in the outValue parameter.
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* The resource may be a resource in the supplied ResTable.
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*/
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void getResolvedResourceAttribute(const android::ResTable& resTable,
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const android::ResXMLTree& tree, uint32_t attrRes, android::Res_value* outValue,
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android::String8* outError = NULL);
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} // namespace AaptXml
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#endif // __AAPT_XML_H
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