projects / wxWidgets.git / blame
| Commit | Line | Data |
|---|---|---|
| 1dcf666d RD |
1 | // Scintilla source code edit control |
| 2 | /** @file KeyWords.cxx | |
| 3 | ** Colourise for particular languages. | |
| 4 | **/ | |
| 5 | // Copyright 1998-2002 by Neil Hodgson <neilh@scintilla.org> | |
| 6 | // The License.txt file describes the conditions under which this software may be distributed. | |
| 7 | ||
| 8 | #include <stdlib.h> | |
| 9 | #include <string.h> | |
| 10 | #include <stdio.h> | |
| 11 | #include <stdarg.h> | |
| 12 | #include <assert.h> | |
| 13 | #include <ctype.h> | |
| 14 | ||
| 15 | #include "ILexer.h" | |
| 16 | #include "Scintilla.h" | |
| 17 | #include "SciLexer.h" | |
| 18 | ||
| 19 | #include "PropSetSimple.h" | |
| 20 | #include "WordList.h" | |
| 21 | #include "LexAccessor.h" | |
| 22 | #include "Accessor.h" | |
| 23 | ||
| 24 | #ifdef SCI_NAMESPACE | |
| 25 | using namespace Scintilla; | |
| 26 | #endif | |
| 27 | ||
| 28 | Accessor::Accessor(IDocument *pAccess_, PropSetSimple *pprops_) : LexAccessor(pAccess_), pprops(pprops_) { | |
| 29 | } | |
| 30 | ||
| 31 | int Accessor::GetPropertyInt(const char *key, int defaultValue) { | |
| 32 | return pprops->GetInt(key, defaultValue); | |
| 33 | } | |
| 34 | ||
| 35 | int Accessor::IndentAmount(int line, int *flags, PFNIsCommentLeader pfnIsCommentLeader) { | |
| 36 | int end = Length(); | |
| 37 | int spaceFlags = 0; | |
| 38 | ||
| 39 | // Determines the indentation level of the current line and also checks for consistent | |
| 40 | // indentation compared to the previous line. | |
| 41 | // Indentation is judged consistent when the indentation whitespace of each line lines | |
| 42 | // the same or the indentation of one line is a prefix of the other. | |
| 43 | ||
| 44 | int pos = LineStart(line); | |
| 45 | char ch = (*this)[pos]; | |
| 46 | int indent = 0; | |
| 47 | bool inPrevPrefix = line > 0; | |
| 48 | int posPrev = inPrevPrefix ? LineStart(line-1) : 0; | |
| 49 | while ((ch == ' ' || ch == '\t') && (pos < end)) { | |
| 50 | if (inPrevPrefix) { | |
| 51 | char chPrev = (*this)[posPrev++]; | |
| 52 | if (chPrev == ' ' || chPrev == '\t') { | |
| 53 | if (chPrev != ch) | |
| 54 | spaceFlags |= wsInconsistent; | |
| 55 | } else { | |
| 56 | inPrevPrefix = false; | |
| 57 | } | |
| 58 | } | |
| 59 | if (ch == ' ') { | |
| 60 | spaceFlags |= wsSpace; | |
| 61 | indent++; | |
| 62 | } else { // Tab | |
| 63 | spaceFlags |= wsTab; | |
| 64 | if (spaceFlags & wsSpace) | |
| 65 | spaceFlags |= wsSpaceTab; | |
| 66 | indent = (indent / 8 + 1) * 8; | |
| 67 | } | |
| 68 | ch = (*this)[++pos]; | |
| 69 | } | |
| 70 | ||
| 71 | *flags = spaceFlags; | |
| 72 | indent += SC_FOLDLEVELBASE; | |
| 73 | // if completely empty line or the start of a comment... | |
| 74 | if ((LineStart(line) == Length()) || (ch == ' ' || ch == '\t' || ch == '\n' || ch == '\r') || | |
| 75 | (pfnIsCommentLeader && (*pfnIsCommentLeader)(*this, pos, end-pos))) | |
| 76 | return indent | SC_FOLDLEVELWHITEFLAG; | |
| 77 | else | |
| 78 | return indent; | |
| 79 | } |