GothenburgBitFactory/timewarrior
1
0
Fork 0
mirror of https://github.com/GothenburgBitFactory/timewarrior.git synced 2025-07-07 20:06:39 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

Lexer: Added ::trim methods

Browse source
This commit is contained in:
Paul Beckingham 2015-12-20 13:11:32 -05:00
parent a97f819423
commit 1ba3652c0e
3 changed files with 57 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

26
src/Lexer.cpp
View file

@ -123,6 +123,32 @@ bool Lexer::isEOS () const
return _cursor >= _eos;
}
////////////////////////////////////////////////////////////////////////////////
std::string Lexer::trimLeft (const std::string& in, const std::string& t /*= " "*/)
{
std::string::size_type ws = in.find_first_not_of (t);
if (ws > 0)
{
std::string out {in};
return out.erase (0, ws);
}
return in;
}
////////////////////////////////////////////////////////////////////////////////
std::string Lexer::trimRight (const std::string& in, const std::string& t /*= " "*/)
{
std::string out {in};
return out.erase (in.find_last_not_of (t) + 1);
}
////////////////////////////////////////////////////////////////////////////////
std::string Lexer::trim (const std::string& in, const std::string& t /*= " "*/)
{
return trimLeft (trimRight (in, t), t);
}
////////////////////////////////////////////////////////////////////////////////
// Lexer::Type::word
// [^\s]+

3
src/Lexer.h
View file

@ -43,6 +43,9 @@ public:
// Static helpers.
static bool isWhitespace (int);
static bool isSingleCharOperator (int);
static std::string trimLeft (const std::string& in, const std::string& t = " ");
static std::string trimRight (const std::string& in, const std::string& t = " ");
static std::string trim (const std::string& in, const std::string& t = " ");
// Stream Classifiers.
bool isEOS () const;