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#include "GitDiffOutputParser.h"
#include <wx/tokenzr.h>
GitDiffOutputParser::GitDiffOutputParser() {}
GitDiffOutputParser::~GitDiffOutputParser() {}
void GitDiffOutputParser::GetDiffMap(const wxString& rawDiff, wxStringMap_t& M, wxArrayString* commitMessage) const
{
wxStringTokenizer tokenizer(rawDiff, wxT("\n"), wxTOKEN_RET_EMPTY_ALL);
wxString currentFile;
wxString currentDiff;
const wxString diffPrefix = "diff --git a/";
bool foundFirstDiff = false;
eGitDiffStates state = kLookingForFileName; // Searching for file name
wxString empty;
wxString& line = empty;
bool nextToken = true;
while(tokenizer.HasMoreTokens() || nextToken == false) {
if(nextToken) {
line = tokenizer.GetNextToken();
}
nextToken = true;
if(commitMessage && !foundFirstDiff) {
// The git blame and git CommitList need to display the commit message
// This can be found at the top of the output, before the first "diff "
if(!line.StartsWith("diff ")) {
commitMessage->Add(line + "\n");
continue;
} else {
foundFirstDiff = true;
}
}
switch(state) {
case kLookingForFileName: {
if(line.StartsWith(diffPrefix)) {
int where = line.Find(diffPrefix);
line = line.Mid(where + diffPrefix.length());
where = line.Find(" b/");
if(where != wxNOT_FOUND) {
line = line.Mid(0, where);
}
currentFile = line;
state = kLookingForDiff;
}
} break;
case kLookingForDiff: {
if(line.StartsWith(diffPrefix)) {
// Add the current outpt to the result output and continue
M[currentFile] = currentDiff;
currentDiff.Clear();
currentFile.Clear();
// Reset the scanner loop
state = kLookingForFileName;
nextToken =
false; // This will make sure we process this line again, however, in the other state switch case
} else {
currentDiff << line << "\n";
}
} break;
}
}
// Add any leftovers
if(!currentFile.IsEmpty()) {
M[currentFile] = currentDiff;
}
}
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