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/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#include "cmParseBlanketJSCoverage.h"
#include <cstdio>
#include <cstdlib>
#include "cmsys/FStream.hxx"
#include "cmCTest.h"
#include "cmCTestCoverageHandler.h"
#include "cmSystemTools.h"
class cmParseBlanketJSCoverage::JSONParser
{
public:
using FileLinesType =
cmCTestCoverageHandlerContainer::SingleFileCoverageVector;
JSONParser(cmCTestCoverageHandlerContainer& cont)
: Coverage(cont)
{
}
virtual ~JSONParser() = default;
std::string getValue(std::string const& line, int type)
{
size_t begIndex;
size_t endIndex;
endIndex = line.rfind(',');
begIndex = line.find_first_of(':');
if (type == 0) {
// A unique substring to remove the extra characters
// around the files name in the JSON (extra " and ,)
std::string foundFileName =
line.substr(begIndex + 3, endIndex - (begIndex + 4));
return foundFileName;
}
return line.substr(begIndex);
}
bool ParseFile(std::string const& file)
{
FileLinesType localCoverageVector;
std::string filename;
bool foundFile = false;
bool inSource = false;
std::string covResult;
std::string line;
cmsys::ifstream in(file.c_str());
if (!in) {
return false;
}
while (cmSystemTools::GetLineFromStream(in, line)) {
if (line.find("filename") != std::string::npos) {
if (foundFile) {
/*
* Upon finding a second file name, generate a
* vector within the total coverage to capture the
* information in the local vector
*/
FileLinesType& CoverageVector =
this->Coverage.TotalCoverage[filename];
CoverageVector = localCoverageVector;
localCoverageVector.clear();
}
foundFile = true;
inSource = false;
filename = getValue(line, 0);
} else if ((line.find("coverage") != std::string::npos) && foundFile &&
inSource) {
/*
* two types of "coverage" in the JSON structure
*
* The coverage result over the file or set of files
* and the coverage for each individual line
*
* FoundFile and foundSource ensure that
* only the value of the line coverage is captured
*/
std::string result = getValue(line, 1);
result = result.substr(2);
if (result == "\"\"") {
// Empty quotation marks indicate that the
// line is not executable
localCoverageVector.push_back(-1);
} else {
// Else, it contains the number of time executed
localCoverageVector.push_back(atoi(result.c_str()));
}
} else if (line.find("source") != std::string::npos) {
inSource = true;
}
}
// On exit, capture end of last file covered.
FileLinesType& CoverageVector = this->Coverage.TotalCoverage[filename];
CoverageVector = localCoverageVector;
localCoverageVector.clear();
return true;
}
private:
cmCTestCoverageHandlerContainer& Coverage;
};
cmParseBlanketJSCoverage::cmParseBlanketJSCoverage(
cmCTestCoverageHandlerContainer& cont, cmCTest* ctest)
: Coverage(cont)
, CTest(ctest)
{
}
bool cmParseBlanketJSCoverage::LoadCoverageData(
std::vector<std::string> const& files)
{
cmCTestOptionalLog(this->CTest, HANDLER_VERBOSE_OUTPUT,
"Found " << files.size() << " Files" << std::endl,
this->Coverage.Quiet);
for (std::string const& file : files) {
cmCTestOptionalLog(this->CTest, HANDLER_VERBOSE_OUTPUT,
"Reading JSON File " << file << std::endl,
this->Coverage.Quiet);
if (!this->ReadJSONFile(file)) {
return false;
}
}
return true;
}
bool cmParseBlanketJSCoverage::ReadJSONFile(std::string const& file)
{
cmParseBlanketJSCoverage::JSONParser parser(this->Coverage);
cmCTestOptionalLog(this->CTest, HANDLER_VERBOSE_OUTPUT,
"Parsing " << file << std::endl, this->Coverage.Quiet);
parser.ParseFile(file);
return true;
}
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