diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/Accessor.cxx | 166 | ||||
-rw-r--r-- | src/UniConversion.cxx | 77 | ||||
-rw-r--r-- | src/UniConversion.h | 9 |
3 files changed, 86 insertions, 166 deletions
diff --git a/src/Accessor.cxx b/src/Accessor.cxx deleted file mode 100644 index f080742bd..000000000 --- a/src/Accessor.cxx +++ /dev/null @@ -1,166 +0,0 @@ -// SciTE - Scintilla based Text Editor -// Accessor.cxx - rapid easy access to contents of a Scintilla -// Copyright 1998-2000 by Neil Hodgson <neilh@scintilla.org> -// The License.txt file describes the conditions under which this software may be distributed. - -#include <stdlib.h> -#include <ctype.h> -#include <stdio.h> - -#include "Platform.h" - -#include "PropSet.h" -#include "Accessor.h" -#include "Scintilla.h" - -bool Accessor::InternalIsLeadByte(char ch) { -#if PLAT_GTK - // TODO: support DBCS under GTK+ - return false; -#elif PLAT_WIN - return IsDBCSLeadByteEx(codePage, ch); -#elif PLAT_WX - return false; -#endif -} - -void Accessor::Fill(int position) { - if (lenDoc == -1) - lenDoc = Platform::SendScintilla(id, WM_GETTEXTLENGTH, 0, 0); - startPos = position - slopSize; - if (startPos + bufferSize > lenDoc) - startPos = lenDoc - bufferSize; - if (startPos < 0) - startPos = 0; - endPos = startPos + bufferSize; - if (endPos > lenDoc) - endPos = lenDoc; - - TEXTRANGE tr = {{startPos, endPos}, buf}; - Platform::SendScintilla(id, EM_GETTEXTRANGE, 0, reinterpret_cast<LPARAM>(&tr)); -} - -char Accessor::StyleAt(int position) { - return static_cast<char>(Platform::SendScintilla( - id, SCI_GETSTYLEAT, position, 0)); -} - -int Accessor::GetLine(int position) { - return Platform::SendScintilla(id, EM_LINEFROMCHAR, position, 0); -} - -int Accessor::LineStart(int line) { - return Platform::SendScintilla(id, EM_LINEINDEX, line, 0); -} - -int Accessor::LevelAt(int line) { - return Platform::SendScintilla(id, SCI_GETFOLDLEVEL, line, 0); -} - -int Accessor::Length() { - if (lenDoc == -1) - lenDoc = Platform::SendScintilla(id, WM_GETTEXTLENGTH, 0, 0); - return lenDoc; -} - -int Accessor::GetLineState(int line) { - return Platform::SendScintilla(id, SCI_GETLINESTATE, line); -} - -int Accessor::SetLineState(int line, int state) { - return Platform::SendScintilla(id, SCI_SETLINESTATE, line, state); -} - -void StylingContext::StartAt(unsigned int start, char chMask) { - Platform::SendScintilla(id, SCI_STARTSTYLING, start, chMask); -} - -void StylingContext::StartSegment(unsigned int pos) { - startSeg = pos; -} - -void StylingContext::ColourTo(unsigned int pos, int chAttr) { - // Only perform styling if non empty range - if (pos != startSeg - 1) { - if (pos < startSeg) { - Platform::DebugPrintf("Bad colour positions %d - %d\n", startSeg, pos); - } - - if (validLen + (pos - startSeg + 1) >= bufferSize) - Flush(); - if (validLen + (pos - startSeg + 1) >= bufferSize) { - // Too big for buffer so send directly - Platform::SendScintilla(id, SCI_SETSTYLING, pos - startSeg + 1, chAttr); - } else { - if (chAttr != chWhile) - chFlags = 0; - chAttr |= chFlags; - for (unsigned int i = startSeg; i <= pos; i++) { - styleBuf[validLen++] = chAttr; - } - } - } - startSeg = pos+1; -} - -int StylingContext::GetLine(int position) { - return Platform::SendScintilla(id, EM_LINEFROMCHAR, position, 0); -} - -void StylingContext::SetLevel(int line, int level) { - Platform::SendScintilla(id, SCI_SETFOLDLEVEL, line, level); -} - -void StylingContext::Flush() { - if (validLen > 0) { - Platform::SendScintilla(id, SCI_SETSTYLINGEX, validLen, - reinterpret_cast<LPARAM>(styleBuf)); - validLen = 0; - } -} - -int StylingContext::IndentAmount(int line, int *flags, PFNIsCommentLeader pfnIsCommentLeader) { - int end = Length(); - int spaceFlags = 0; - - // Determines the indentation level of the current line and also checks for consistent - // indentation compared to the previous line. - // Indentation is judged consistent when the indentation whitespace of each line lines - // the same or the indentation of one line is a prefix of the other. - - int pos = LineStart(line); - char ch = (*this)[pos]; - int indent = 0; - bool inPrevPrefix = line > 0; - int posPrev = inPrevPrefix ? LineStart(line-1) : 0; - while ((ch == ' ' || ch == '\t') && (pos < end)) { - if (inPrevPrefix) { - char chPrev = (*this)[posPrev++]; - if (chPrev == ' ' || chPrev == '\t') { - if (chPrev != ch) - spaceFlags |= wsInconsistent; - } else { - inPrevPrefix = false; - } - } - if (ch == ' ') { - spaceFlags |= wsSpace; - indent++; - } else { // Tab - spaceFlags |= wsTab; - if (spaceFlags & wsSpace) - spaceFlags |= wsSpaceTab; - indent = (indent / 8 + 1) * 8; - } - ch = (*this)[++pos]; - } - - *flags = spaceFlags; - indent += SC_FOLDLEVELBASE; - // if completely empty line or the start of a comment... - if (isspace(ch) || (pfnIsCommentLeader && (*pfnIsCommentLeader)(*this, pos, end-pos)) ) - return indent | SC_FOLDLEVELWHITEFLAG; - else - return indent; -} - diff --git a/src/UniConversion.cxx b/src/UniConversion.cxx new file mode 100644 index 000000000..9306f307c --- /dev/null +++ b/src/UniConversion.cxx @@ -0,0 +1,77 @@ +// UniConversion.h - functions to handle UFT-8 and UCS-2 strings +// Copyright 1998-2000 by Neil Hodgson <neilh@scintilla.org> +// The License.txt file describes the conditions under which this software may be distributed. + +#include <stdlib.h> + +#include "UniConversion.h" + +unsigned int UTF8Length(const wchar_t *uptr, unsigned int tlen) { + unsigned int len = 0; + for (unsigned int i = 0; i < tlen && uptr[i]; i++) { + unsigned int uch = uptr[i]; + if (uch < 0x80) + len++; + else if (uch < 0x800) + len+=2; + else + len +=3; + } + return len; +} + +void UTF8FromUCS2(const wchar_t *uptr, unsigned int tlen, char *putf, unsigned int len) { + int k = 0; + for (unsigned int i = 0; i < tlen && uptr[i]; i++) { + unsigned int uch = uptr[i]; + if (uch < 0x80) { + putf[k++] = static_cast<char>(uch); + } else if (uch < 0x800) { + putf[k++] = static_cast<char>(0xC0 | (uch >> 6)); + putf[k++] = static_cast<char>(0x80 | (uch & 0x3f)); + } else { + putf[k++] = static_cast<char>(0xE0 | (uch >> 12)); + putf[k++] = static_cast<char>(0x80 | ((uch >> 6) & 0x3f)); + putf[k++] = static_cast<char>(0x80 | (uch & 0x3f)); + } + } + putf[len] = '\0'; +} + +unsigned int UCS2Length(const char *s, unsigned int len) { + unsigned int ulen = 0; + for (unsigned int i=0;i<len;i++) { + unsigned char ch = static_cast<unsigned char>(s[i]); + if ((ch < 0x80) || (ch > (0x80 + 0x40))) + ulen++; + } + return ulen; +} + +unsigned int UCS2FromUTF8(const char *s, unsigned int len, wchar_t *tbuf, unsigned int tlen) { +#ifdef USE_API + return ::MultiByteToWideChar(CP_UTF8, 0, s, len, tbuf, tlen); +#else + unsigned int ui=0; + const unsigned char *us = reinterpret_cast<const unsigned char *>(s); + unsigned int i=0; + while ((i<len) && (ui<tlen)) { + unsigned char ch = us[i++]; + if (ch < 0x80) { + tbuf[ui] = ch; + } else if (ch < 0x80 + 0x40 + 0x20) { + tbuf[ui] = static_cast<wchar_t>((ch & 0x1F) << 6); + ch = us[i++]; + tbuf[ui] = static_cast<wchar_t>(tbuf[ui] + (ch & 0x7F)); + } else { + tbuf[ui] = static_cast<wchar_t>((ch & 0xF) << 12); + ch = us[i++]; + tbuf[ui] = static_cast<wchar_t>(tbuf[ui] + ((ch & 0x7F) << 6)); + ch = us[i++]; + tbuf[ui] = static_cast<wchar_t>(tbuf[ui] + (ch & 0x7F)); + } + ui++; + } + return ui; +#endif +} diff --git a/src/UniConversion.h b/src/UniConversion.h new file mode 100644 index 000000000..cace497c4 --- /dev/null +++ b/src/UniConversion.h @@ -0,0 +1,9 @@ +// UniConversion.h - functions to handle UFT-8 and UCS-2 strings +// Copyright 1998-2000 by Neil Hodgson <neilh@scintilla.org> +// The License.txt file describes the conditions under which this software may be distributed. + +unsigned int UTF8Length(const wchar_t *uptr, unsigned int tlen); +void UTF8FromUCS2(const wchar_t *uptr, unsigned int tlen, char *putf, unsigned int len); +unsigned int UCS2Length(const char *s, unsigned int len); +unsigned int UCS2FromUTF8(const char *s, unsigned int len, wchar_t *tbuf, unsigned int tlen); + |