diff options
Diffstat (limited to 'src/Document.cxx')
| -rw-r--r-- | src/Document.cxx | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/src/Document.cxx b/src/Document.cxx index e8d88cc87..a8cca8a00 100644 --- a/src/Document.cxx +++ b/src/Document.cxx @@ -682,6 +682,37 @@ void Document::Indent(bool forwards, int lineBottom, int lineTop) { } } +// Convert line endings for a piece of text to a particular mode. +// Stop at len or when a NUL is found. +// Caller must delete the returned pointer. +char *Document::TransformLineEnds(int *pLenOut, const char *s, size_t len, int eolMode) { + char *dest = new char[2 * len + 1]; + const char *sptr = s; + char *dptr = dest; + for (size_t i = 0; (i < len) && (*sptr != '\0'); i++) { + if (*sptr == '\n' || *sptr == '\r') { + if (eolMode == SC_EOL_CR) { + *dptr++ = '\r'; + } else if (eolMode == SC_EOL_LF) { + *dptr++ = '\n'; + } else { // eolMode == SC_EOL_CRLF + *dptr++ = '\r'; + *dptr++ = '\n'; + } + if ((*sptr == '\r') && (i+1 < len) && (*(sptr+1) == '\n')) { + i++; + sptr++; + } + sptr++; + } else { + *dptr++ = *sptr++; + } + } + *dptr++ = '\0'; + *pLenOut = (dptr - dest) - 1; + return dest; +} + void Document::ConvertLineEnds(int eolModeSet) { BeginUndoAction(); |