diff options
Diffstat (limited to 'common/ustr.cpp')
-rw-r--r-- | common/ustr.cpp | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/common/ustr.cpp b/common/ustr.cpp index c53c4286f7..3a78239cb6 100644 --- a/common/ustr.cpp +++ b/common/ustr.cpp @@ -232,6 +232,30 @@ void U32String::deleteChar(uint32 p) { _size--; } +void U32String::deleteLastChar() { + if (_size > 0) + deleteChar(_size - 1); +} + +void U32String::erase(uint32 p, uint32 len) { + assert(p < _size); + + makeUnique(); + // If len == npos or p + len is over the end, remove all the way to the end + if (len == npos || p + len >= _size) { + // Delete char at p as well. So _size = (p - 1) + 1 + _size = p; + // Null terminate + _str[_size] = 0; + return; + } + + for ( ; p + len <= _size; p++) { + _str[p] = _str[p + len]; + } + _size -= len; +} + void U32String::clear() { decRefCount(_extern._refCount); |