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146 lines
3.5 KiB
146 lines
3.5 KiB
/*-------------------------------------------------------------------------
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* drawElements Quality Program Tester Core
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* ----------------------------------------
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*
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* Copyright 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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*//*!
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* \file
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* \brief String template class.
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*//*--------------------------------------------------------------------*/
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#include "tcuStringTemplate.hpp"
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#include "tcuDefs.hpp"
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#include "deStringUtil.hpp"
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#include <sstream>
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using std::string;
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using std::map;
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using std::ostringstream;
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namespace tcu
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{
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StringTemplate::StringTemplate (void)
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{
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}
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StringTemplate::StringTemplate (const std::string& str)
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{
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setString(str);
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}
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StringTemplate::~StringTemplate (void)
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{
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}
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void StringTemplate::setString (const std::string& str)
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{
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m_template = str;
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}
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const string kSingleLineFlag = "single-line";
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const string kOptFlag = "opt";
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const string kDefaultFlag = "default=";
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string StringTemplate::specialize (const map<string, string>& params) const
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{
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ostringstream res;
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size_t curNdx = 0;
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for (;;)
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{
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size_t paramNdx = m_template.find("${", curNdx);
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if (paramNdx != string::npos)
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{
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// Append in-between stuff.
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res << m_template.substr(curNdx, paramNdx - curNdx);
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// Find end-of-param.
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size_t paramEndNdx = m_template.find("}", paramNdx);
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if (paramEndNdx == string::npos)
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TCU_THROW(InternalError, "No '}' found in template parameter");
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// Parse parameter contents.
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string paramStr = m_template.substr(paramNdx+2, paramEndNdx-2-paramNdx);
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bool paramSingleLine = false;
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bool paramOptional = false;
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bool paramDefault = false;
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string paramName;
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string defaultValue;
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size_t colonNdx = paramStr.find(":");
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if (colonNdx != string::npos)
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{
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paramName = paramStr.substr(0, colonNdx);
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string flagsStr = paramStr.substr(colonNdx+1);
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if (flagsStr == kSingleLineFlag)
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{
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paramSingleLine = true;
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}
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else if (flagsStr == kOptFlag)
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{
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paramOptional = true;
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}
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else if (de::beginsWith(flagsStr, kDefaultFlag))
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{
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paramDefault = true;
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defaultValue = flagsStr.substr(kDefaultFlag.size());
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}
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else
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{
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TCU_THROW(InternalError, (string("Unrecognized flag") + paramStr).c_str());
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}
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}
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else
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paramName = paramStr;
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// Fill in parameter value.
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if (params.find(paramName) != params.end())
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{
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const string& val = (*params.find(paramName)).second;
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if (paramSingleLine)
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{
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string tmp = val;
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for (size_t ndx = tmp.find("\n"); ndx != string::npos; ndx = tmp.find("\n"))
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tmp = tmp.replace(ndx, 1, " ");
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res << tmp;
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}
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else
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res << val;
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}
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else if (paramDefault)
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res << defaultValue;
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else if (!paramOptional)
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TCU_THROW(InternalError, (string("Value for parameter '") + paramName + "' not found in map").c_str());
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// Skip over template.
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curNdx = paramEndNdx + 1;
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}
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else
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{
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if (curNdx < m_template.length())
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res << &m_template[curNdx];
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break;
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}
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}
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return res.str();
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}
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} // tcu
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