diff options
| -rw-r--r-- | include/SciLexer.h | 8 | ||||
| -rw-r--r-- | include/Scintilla.iface | 6 | ||||
| -rw-r--r-- | src/LexOthers.cxx | 105 |
3 files changed, 119 insertions, 0 deletions
diff --git a/include/SciLexer.h b/include/SciLexer.h index b99526e4f..d869758f6 100644 --- a/include/SciLexer.h +++ b/include/SciLexer.h @@ -22,6 +22,7 @@ #define SCLEX_MAKEFILE 11 #define SCLEX_BATCH 12 #define SCLEX_XCODE 13 +#define SCLEX_LATEX 14 // Lexical states for SCLEX_PYTHON #define SCE_P_DEFAULT 0 @@ -170,4 +171,11 @@ #define SCE_PL_BACKTICKS 20 #define SCE_PL_DATASECTION 21 +// Lexical states for SCLEX_LATEX +#define SCE_L_DEFAULT 0 +#define SCE_L_COMMAND 1 +#define SCE_L_TAG 2 +#define SCE_L_MATH 3 +#define SCE_L_COMMENT 4 + #endif diff --git a/include/Scintilla.iface b/include/Scintilla.iface index b10252ac0..0233a24ca 100644 --- a/include/Scintilla.iface +++ b/include/Scintilla.iface @@ -762,6 +762,7 @@ val SCLEX_ERRORLIST=10 val SCLEX_MAKEFILE=11 val SCLEX_BATCH=12 val SCLEX_XCODE=13 +val SCLEX_LATEX=14 val SCE_P_DEFAULT=0 val SCE_P_COMMENTLINE=1 val SCE_P_NUMBER=2 @@ -894,6 +895,11 @@ val SCE_PL_REGSUBST=18 val SCE_PL_LONGQUOTE=19 val SCE_PL_BACKTICKS=20 val SCE_PL_DATASECTION=21 +val SCE_L_DEFAULT=0 +val SCE_L_COMMAND=1 +val SCE_L_TAG=2 +val SCE_L_MATH=3 +val SCE_L_COMMENT=4 ################################################ # From WinDefs.h diff --git a/src/LexOthers.cxx b/src/LexOthers.cxx index 30589d6f3..90f41e3bf 100644 --- a/src/LexOthers.cxx +++ b/src/LexOthers.cxx @@ -193,7 +193,112 @@ static void ColouriseErrorListDoc(unsigned int startPos, int length, int, WordLi ColouriseErrorListLine(lineBuffer, linePos, startPos + length, styler); } +static int isSpecial(char s) { + + return (s == '\\') || (s == ',') || (s == ';') || (s == '\'') || (s == ' ') || + (s == '\"') || (s == '`') || (s == '^') || (s == '~'); +} + +static int isTag(int start, Accessor &styler) { + + char s[6]; + unsigned int i = 0, e=1; + while (i < 5 && e) { + s[i] = styler[start + i]; + i++; + e = styler[start + i] != '{'; + } + s[i] = '\0'; + return (strcmp(s, "begin") == 0) || (strcmp(s, "end") == 0); +} + +static void ColouriseLatexDoc(unsigned int startPos, int length, int initStyle, + WordList *[], Accessor &styler) { + + styler.StartAt(startPos); + + int state = initStyle; + char chNext = styler[startPos]; + styler.StartSegment(startPos); + int lengthDoc = startPos + length; + + for (int i = startPos; i < lengthDoc; i++) { + char ch = chNext; + chNext = styler.SafeGetCharAt(i + 1); + + if (styler.IsLeadByte(ch)) { + chNext = styler.SafeGetCharAt(i + 2); + i++; + continue; + } + switch(state) { + case SCE_L_DEFAULT : + switch(ch) { + case '\\' : + styler.ColourTo(i - 1, state); + if (isSpecial(styler[i + 1])) { + styler.ColourTo(i + 1, SCE_L_COMMAND); + i++; + chNext = styler.SafeGetCharAt(i + 1); + } + else { + if (isTag(i+1, styler)) + state = SCE_L_TAG; + else + state = SCE_L_COMMAND; + } + break; + case '$' : + styler.ColourTo(i - 1, state); + state = SCE_L_MATH; + if (chNext == '$') { + i++; + chNext = styler.SafeGetCharAt(i + 1); + } + break; + case '%' : + styler.ColourTo(i - 1, state); + state = SCE_L_COMMENT; + break; + } + break; + case SCE_L_COMMAND : + if (chNext == '[' || chNext == '{' || chNext == '}' || + chNext == ' ' || chNext == '\r' || chNext == '\n') { + styler.ColourTo(i, state); + state = SCE_L_DEFAULT; + i++; + chNext = styler.SafeGetCharAt(i + 1); + } + break; + case SCE_L_TAG : + if (ch == '}') { + styler.ColourTo(i, state); + state = SCE_L_DEFAULT; + } + break; + case SCE_L_MATH : + if (ch == '$') { + if (chNext == '$') { + i++; + chNext = styler.SafeGetCharAt(i + 1); + } + styler.ColourTo(i, state); + state = SCE_L_DEFAULT; + } + break; + case SCE_L_COMMENT : + if (ch == '\r' || ch == '\n') { + styler.ColourTo(i - 1, state); + state = SCE_L_DEFAULT; + } + } + } + styler.ColourTo(lengthDoc, state); +} + LexerModule lmProps(SCLEX_PROPERTIES, ColourisePropsDoc); LexerModule lmErrorList(SCLEX_ERRORLIST, ColouriseErrorListDoc); LexerModule lmMake(SCLEX_MAKEFILE, ColouriseMakeDoc); LexerModule lmBatch(SCLEX_BATCH, ColouriseBatchDoc); +LexerModule lmLatex(SCLEX_LATEX, ColouriseLatexDoc); |