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Added some missing StringView functions.

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This commit is contained in:
Branimir Karadžić
2018-10-05 21:14:43 -07:00
parent a1741c9486
commit 716c1b873a
2 changed files with 59 additions and 0 deletions
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9
include/bx/string.h
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@@ -224,12 +224,21 @@ namespace bx
/// Find end of line. Retuns pointer to new line terminator.
const char* streol(const char* _str);
/// Find end of line. Retuns pointer to new line terminator.
const StringView strFindEol(const StringView& _str)
/// Skip whitespace.
const char* strws(const char* _str);
/// Skip whitespace.
const StringView strSkipSpace(const StringView& _str);
/// Skip non-whitespace.
const char* strnws(const char* _str);
/// Skip non-whitespace.
const StringView strSkipNonSpace(const StringView& _str);
/// Returns pointer to first character after word.
const char* strSkipWord(const char* _str, int32_t _max = INT32_MAX);

50
src/string.cpp
View File

@@ -534,18 +534,68 @@ namespace bx
return _str;
}
const StringView strFindEol(const StringView& _str)
{
StringView str(_str);
for (; str.getPtr() != _str.getTerm()
; str = StringView(str.getPtr()+1024, min(str.getPtr()+1024, _str.getTerm() ) )
)
{
const char* eol = strFind(str, "\r\n");
if (NULL != eol)
{
return StringView(eol, _str.getTerm() );
}
eol = strFind(str, "\n");
if (NULL != eol)
{
return StringView(eol, _str.getTerm() );
}
}
return StringView(_str.getTerm(), _str.getTerm() );
}
const char* strws(const char* _str)
{
for (; isSpace(*_str); ++_str) {};
return _str;
}
const StringView strSkipSpace(const StringView& _str)
{
for (const char* ptr = _str.getPtr(), *term = _str.getTerm(); ptr != term; ++ptr)
{
if (!isSpace(*ptr) )
{
return StringView(ptr, term);
}
}
return StringView(_str.getTerm(), _str.getTerm() );
}
const char* strnws(const char* _str)
{
for (; !isSpace(*_str); ++_str) {};
return _str;
}
const StringView strSkipNonSpace(const StringView& _str)
{
for (const char* ptr = _str.getPtr(), *term = _str.getTerm(); ptr != term; ++ptr)
{
if (isSpace(*ptr) )
{
return StringView(ptr, term);
}
}
return StringView(_str.getTerm(), _str.getTerm() );
}
const char* strSkipWord(const char* _str, int32_t _max)
{
for (char ch = *_str++; 0 < _max && (isAlphaNum(ch) || '_' == ch); ch = *_str++, --_max) {};