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Don't use <regex>, because it causes problems on GCC 4.8

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This commit is contained in:
Sebastian Messmer 2016-03-03 11:49:23 +01:00
parent 5736a5ea37
commit 61611d03b2
1 changed files with 36 additions and 39 deletions
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75
src/gitversion/parser.cpp
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@ -1,15 +1,14 @@
#include "parser.h"
#include <regex>
#include <sstream>
using std::string;
using std::pair;
using std::tuple;
using std::tie;
using std::regex;
using std::smatch;
using std::regex_match;
using boost::optional;
using boost::none;
using std::istringstream;
using std::getline;
namespace gitversion {
@ -30,55 +29,53 @@ namespace gitversion {
}
pair<string, optional<string>> Parser::_splitAtPlusSign(const string &versionString) {
regex splitRegex("^([^+]+)(\\+([^+]+))?$");
smatch match;
regex_match(versionString, match, splitRegex);
if(match[0] != versionString) {
throw std::logic_error("First match group should be whole string");
}
if(match.size() != 4) {
throw std::logic_error("Wrong number of match groups");
}
if (match[2].matched) {
return std::make_pair(match[1], optional<string>(match[3]));
istringstream stream(versionString);
string versionNumber;
getline(stream, versionNumber, '+');
if (!stream.good()) {
return std::make_pair(versionNumber, none);
} else {
return std::make_pair(match[1], none);
string versionInfo;
getline(stream, versionInfo);
return std::make_pair(versionNumber, versionInfo);
}
};
tuple<string, string, string> Parser::_extractMajorMinorTag(const string &versionNumber) {
regex splitRegex("^([0-9]+)(\\.([0-9]+))?(\\.[0-9\\.]*)?(-(.*))?$");
smatch match;
regex_match(versionNumber, match, splitRegex);
if(match[0] != versionNumber) {
throw std::logic_error("First match group should be whole string");
istringstream stream(versionNumber);
string major, minor, hotfix, tag;
getline(stream, major, '.');
if (!stream.good()) {
minor = "0";
} else {
getline(stream, minor, '.');
}
if(match.size() != 7) {
throw std::logic_error("Wrong number of match groups");
if (!stream.good()) {
hotfix = "0";
} else {
getline(stream, hotfix, '-');
}
string major = match[1];
string minor = "0";
if (match[3].matched) {
minor = match[3];
}
string tag = "";
if (match[6].matched) {
tag = match[6];
if (!stream.good()) {
tag = "";
} else {
getline(stream, tag);
}
return std::make_tuple(major, minor, tag);
};
string Parser::_extractGitCommitId(const string &versionInfo) {
regex extractRegex("^[0-9]+\\.g([0-9a-f]+)(\\..*)?$");
smatch match;
regex_match(versionInfo, match, extractRegex);
if(match[0] != versionInfo) {
throw std::logic_error("First match group should be whole string");
istringstream stream(versionInfo);
string commitsSinceTag;
getline(stream, commitsSinceTag, '.');
if (!stream.good()) {
throw std::logic_error("Invalid version information: Missing delimiter after commitsSinceTag.");
}
if(match.size() != 3) {
throw std::logic_error("Wrong number of match groups");
string gitCommitId;
getline(stream, gitCommitId, '.');
if (gitCommitId[0] != 'g') {
throw std::logic_error("Invalid version information: Git commit id component doesn't start with 'g'.");
}
return match[1];
return gitCommitId.substr(1);
}
}