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Skip early if line doesn't look like a patch 

This allows us to skip exception handling (substr) later. 😉
This commit is contained in:
tastytea 2022-03-16 16:58:47 +01:00
parent f8a7d5c579
commit b204b3e855
Signed by: tastytea
SSH Key Fingerprint: SHA256:FBkvrOlhq5use1XEttyUGT4bUTDVA1ar9SgIc9P03cM
1 changed files with 19 additions and 16 deletions
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35
src/main.cpp
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@ -53,24 +53,27 @@ int main()
while (std::getline(std::cin, line)) while (std::getline(std::cin, line))
{ {
const auto line_nc{remove_colors(line)}; const auto line_nc{remove_colors(line)};
// Don't color +++ and --- lines // Only look at lines starting with + or -
if (line_nc.length() >= 2 if (line_nc.length() >= 2 && (line_nc[0] == '+' || line_nc[0] == '-'))
&& (line_nc.length() < 3
|| (line_nc[2] != '+' && line_nc[2] != '-')))
{ {
if (line_nc[1] == '+') // Don't color +++ and --- lines
if (line_nc.length() < 3
|| (line_nc[2] != '+' && line_nc[2] != '-'))
{ {
const auto pos{get_start_pos(line)}; if (line_nc[1] == '+')
std::cout << line.substr(0, pos) << green << line.substr(pos) {
<< reset << '\n'; const auto pos{get_start_pos(line)};
continue; std::cout << line.substr(0, pos) << green
} << line.substr(pos) << reset << '\n';
if (line_nc[1] == '-') continue;
{ }
const auto pos{get_start_pos(line)}; if (line_nc[1] == '-')
std::cout << line.substr(0, pos) << red << line.substr(pos) {
<< reset << '\n'; const auto pos{get_start_pos(line)};
continue; std::cout << line.substr(0, pos) << red << line.substr(pos)
<< reset << '\n';
continue;
}
} }
} }
std::cout << line << '\n'; std::cout << line << '\n';