/*
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* Copyright (C) 2015 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 ANDROID_RS_API_GENERATOR_UTILITIES_H
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#define ANDROID_RS_API_GENERATOR_UTILITIES_H
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#include <fstream>
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#include <set>
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#include <string>
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// Capitalizes and removes underscores. E.g. converts "native_log" to NativeLog.
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std::string capitalize(const std::string& source);
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// Trim trailing and leading spaces from a string.
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void trimSpaces(std::string* s);
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// Replaces in string s all occurences of match with rep.
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std::string stringReplace(std::string s, std::string match, std::string rep);
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// Removes the character from present. Returns true if the string contained the character.
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bool charRemoved(char c, std::string* s);
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// Removes HTML references from the string.
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std::string stripHtml(const std::string& html);
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// Returns a string that's an hexadecimal constant of the hash of the string.
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std::string hashString(const std::string& s);
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// Adds a string to a set. Return true if it was already in.
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bool testAndSet(const std::string& flag, std::set<std::string>* set);
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/* Returns a double that should be able to be converted to an integer of size
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* numberOfIntegerBits.
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*/
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double maxDoubleForInteger(int numberOfIntegerBits, int mantissaSize);
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/* Creates an " __attribute__((...))" tag. If userAttribute starts with '=', we don't
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* use the additionalAttribute. An empty string will be returned if there are no attributes.
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*/
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std::string makeAttributeTag(const std::string& userAttribute,
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const std::string& additionalAttribute, unsigned int deprecatedApiLevel,
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const std::string& deprecatedMessage);
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/* This class is used to generate one source file. There will be one instance
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* for each generated file.
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*/
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class GeneratedFile : public std::ofstream {
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private:
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std::string mIndent; // The correct spacing at the beginning of each line.
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const int TAB_SIZE = 4;
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public:
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// Opens the stream. Reports an error if it can't.
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bool start(const std::string& directory, const std::string& name);
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// Write copyright notice & auto-generated warning in Java/C style comments.
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void writeNotices();
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void increaseIndent(); // Increases the new line indentation by 4.
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void decreaseIndent(); // Decreases the new line indentation by 4.
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void comment(const std::string& s); // Outputs a multiline comment.
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// Starts a control block. This works both for Java and C++.
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void startBlock() {
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*this << " {\n";
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increaseIndent();
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}
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// Ends a control block.
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void endBlock(bool addSemicolon = false) {
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decreaseIndent();
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indent() << "}" << (addSemicolon ? ";" : "") << "\n";
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}
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/* Indents the line. By returning *this, we can use like this:
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* mOut.ident() << "a = b;\n";
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*/
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std::ofstream& indent() {
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*this << mIndent;
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return *this;
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}
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std::ofstream& indentPlus() {
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*this << mIndent << std::string(2 * TAB_SIZE, ' ');
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return *this;
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}
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};
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extern const char AUTO_GENERATED_WARNING[];
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#endif // ANDROID_RS_API_GENERATOR_UTILITIES_H
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