aboutsummaryrefslogtreecommitdiffhomepage
path: root/lexers/LexOthers.cxx
diff options
context:
space:
mode:
Diffstat (limited to 'lexers/LexOthers.cxx')
-rw-r--r--lexers/LexOthers.cxx250
1 files changed, 222 insertions, 28 deletions
diff --git a/lexers/LexOthers.cxx b/lexers/LexOthers.cxx
index bc2c28773..720d97930 100644
--- a/lexers/LexOthers.cxx
+++ b/lexers/LexOthers.cxx
@@ -1162,21 +1162,71 @@ static void ColouriseErrorListDoc(unsigned int startPos, int length, int, WordLi
}
}
-static int isSpecial(char s) {
- return (s == '\\') || (s == ',') || (s == ';') || (s == '\'') || (s == ' ') ||
- (s == '\"') || (s == '`') || (s == '^') || (s == '~');
+static bool latexIsSpecial(int ch) {
+ return (ch == '#') || (ch == '$') || (ch == '%') || (ch == '&') || (ch == '_') ||
+ (ch == '{') || (ch == '}') || (ch == ' ');
}
-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];
+static bool latexIsBlank(int ch) {
+ return (ch == ' ') || (ch == '\t');
+}
+
+static bool latexIsBlankAndNL(int ch) {
+ return (ch == ' ') || (ch == '\t') || (ch == '\r') || (ch == '\n');
+}
+
+static bool latexIsLetter(int ch) {
+ return isascii(ch) && isalpha(ch);
+}
+
+static bool latexIsTagValid(int &i, int l, Accessor &styler) {
+ while (i < l) {
+ if (styler.SafeGetCharAt(i) == '{') {
+ while (i < l) {
+ i++;
+ if (styler.SafeGetCharAt(i) == '}') {
+ return true;
+ } else if (!latexIsLetter(styler.SafeGetCharAt(i)) &&
+ styler.SafeGetCharAt(i)!='*') {
+ return false;
+ }
+ }
+ } else if (!latexIsBlank(styler.SafeGetCharAt(i))) {
+ return false;
+ }
i++;
- e = (strchr("{ \t", styler[start + i]) == NULL);
+ }
+ return false;
+}
+
+static bool latexNextNotBlankIs(int i, int l, Accessor &styler, char needle) {
+ char ch;
+ while (i < l) {
+ ch = styler.SafeGetCharAt(i);
+ if (!latexIsBlankAndNL(ch) && ch != '*') {
+ if (ch == needle)
+ return true;
+ else
+ return false;
+ }
+ i++;
+ }
+ return false;
+}
+
+static bool latexLastWordIs(int start, Accessor &styler, const char *needle) {
+ unsigned int i = 0;
+ unsigned int l = static_cast<unsigned int>(strlen(needle));
+ int ini = start-l+1;
+ char s[32];
+
+ while (i < l && i < 32) {
+ s[i] = styler.SafeGetCharAt(ini + i);
+ i++;
}
s[i] = '\0';
- return (strcmp(s, "begin") == 0) || (strcmp(s, "end") == 0);
+
+ return (strcmp(s, needle) == 0);
}
static void ColouriseLatexDoc(unsigned int startPos, int length, int initStyle,
@@ -1185,39 +1235,51 @@ static void ColouriseLatexDoc(unsigned int startPos, int length, int initStyle,
styler.StartAt(startPos);
int state = initStyle;
- char chNext = styler[startPos];
+ char chNext = styler.SafeGetCharAt(startPos);
styler.StartSegment(startPos);
int lengthDoc = startPos + length;
+ char chVerbatimDelim = '\0';
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++;
+ chNext = styler.SafeGetCharAt(i + 1);
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);
+ if (latexIsSpecial(chNext)) {
+ state = SCE_L_SPECIAL;
} else {
- if (isTag(i + 1, styler))
- state = SCE_L_TAG;
- else
+ if (latexIsLetter(chNext)) {
state = SCE_L_COMMAND;
+ } else {
+ if (chNext == '(' || chNext == '[') {
+ styler.ColourTo(i-1, state);
+ styler.ColourTo(i+1, SCE_L_SHORTCMD);
+ state = SCE_L_MATH;
+ if (chNext == '[')
+ state = SCE_L_MATH2;
+ i++;
+ chNext = styler.SafeGetCharAt(i+1);
+ } else {
+ state = SCE_L_SHORTCMD;
+ }
+ }
}
break;
case '$' :
styler.ColourTo(i - 1, state);
state = SCE_L_MATH;
if (chNext == '$') {
+ state = SCE_L_MATH2;
i++;
chNext = styler.SafeGetCharAt(i + 1);
}
@@ -1228,29 +1290,124 @@ static void ColouriseLatexDoc(unsigned int startPos, int length, int initStyle,
break;
}
break;
+ case SCE_L_ERROR:
+ styler.ColourTo(i-1, state);
+ state = SCE_L_DEFAULT;
+ break;
+ case SCE_L_SPECIAL:
+ case SCE_L_SHORTCMD:
+ styler.ColourTo(i, state);
+ state = SCE_L_DEFAULT;
+ break;
case SCE_L_COMMAND :
- if (chNext == '[' || chNext == '{' || chNext == '}' ||
- chNext == ' ' || chNext == '\r' || chNext == '\n') {
+ if (!latexIsLetter(chNext)) {
styler.ColourTo(i, state);
state = SCE_L_DEFAULT;
- i++;
- chNext = styler.SafeGetCharAt(i + 1);
+ if (latexNextNotBlankIs(i+1, lengthDoc, styler, '[' )) {
+ state = SCE_L_CMDOPT;
+ } else if (latexLastWordIs(i, styler, "\\begin")) {
+ state = SCE_L_TAG;
+ } else if (latexLastWordIs(i, styler, "\\end")) {
+ state = SCE_L_TAG2;
+ } else if (latexLastWordIs(i, styler, "\\verb") &&
+ chNext != '*' && chNext != ' ') {
+ chVerbatimDelim = chNext;
+ state = SCE_L_VERBATIM;
+ }
}
break;
+ case SCE_L_CMDOPT :
+ if (ch == ']') {
+ styler.ColourTo(i, state);
+ state = SCE_L_DEFAULT;
+ }
+ break;
case SCE_L_TAG :
- if (ch == '}') {
+ if (latexIsTagValid(i, lengthDoc, styler)) {
+ styler.ColourTo(i, state);
+ state = SCE_L_DEFAULT;
+ if (latexLastWordIs(i, styler, "{verbatim}")) {
+ state = SCE_L_VERBATIM;
+ } else if (latexLastWordIs(i, styler, "{comment}")) {
+ state = SCE_L_COMMENT2;
+ } else if (latexLastWordIs(i, styler, "{math}")) {
+ state = SCE_L_MATH;
+ } else if (latexLastWordIs(i, styler, "{displaymath}")) {
+ state = SCE_L_MATH2;
+ } else if (latexLastWordIs(i, styler, "{equation}")) {
+ state = SCE_L_MATH2;
+ }
+ } else {
+ state = SCE_L_ERROR;
styler.ColourTo(i, state);
state = SCE_L_DEFAULT;
}
+ chNext = styler.SafeGetCharAt(i+1);
+ break;
+ case SCE_L_TAG2 :
+ if (latexIsTagValid(i, lengthDoc, styler)) {
+ styler.ColourTo(i, state);
+ state = SCE_L_DEFAULT;
+ } else {
+ state = SCE_L_ERROR;
+ }
+ chNext = styler.SafeGetCharAt(i+1);
break;
case SCE_L_MATH :
if (ch == '$') {
- if (chNext == '$') {
- i++;
- chNext = styler.SafeGetCharAt(i + 1);
- }
styler.ColourTo(i, state);
state = SCE_L_DEFAULT;
+ } else if (ch == '\\' && chNext == ')') {
+ styler.ColourTo(i-1, state);
+ styler.ColourTo(i+1, SCE_L_SHORTCMD);
+ i++;
+ chNext = styler.SafeGetCharAt(i+1);
+ state = SCE_L_DEFAULT;
+ } else if (ch == '\\') {
+ int match = i + 3;
+ if (latexLastWordIs(match, styler, "\\end")) {
+ match++;
+ if (latexIsTagValid(match, lengthDoc, styler)) {
+ if (latexLastWordIs(match, styler, "{math}")) {
+ styler.ColourTo(i-1, state);
+ state = SCE_L_COMMAND;
+ }
+ }
+ }
+ }
+
+ break;
+ case SCE_L_MATH2 :
+ if (ch == '$') {
+ if (chNext == '$') {
+ i++;
+ chNext = styler.SafeGetCharAt(i + 1);
+ styler.ColourTo(i, state);
+ state = SCE_L_DEFAULT;
+ } else {
+ styler.ColourTo(i, SCE_L_ERROR);
+ state = SCE_L_DEFAULT;
+ }
+ } else if (ch == '\\' && chNext == ']') {
+ styler.ColourTo(i-1, state);
+ styler.ColourTo(i+1, SCE_L_SHORTCMD);
+ i++;
+ chNext = styler.SafeGetCharAt(i+1);
+ state = SCE_L_DEFAULT;
+ } else if (ch == '\\') {
+ int match = i + 3;
+ if (latexLastWordIs(match, styler, "\\end")) {
+ match++;
+ if (latexIsTagValid(match, lengthDoc, styler)) {
+ if (latexLastWordIs(match, styler, "{displaymath}")) {
+ styler.ColourTo(i-1, state);
+ state = SCE_L_COMMAND;
+ } else if (latexLastWordIs(match, styler, "{equation}")) {
+ styler.ColourTo(i-1, state);
+ state = SCE_L_COMMAND;
+ }
+ }
+ }
}
break;
case SCE_L_COMMENT :
@@ -1258,6 +1415,43 @@ static void ColouriseLatexDoc(unsigned int startPos, int length, int initStyle,
styler.ColourTo(i - 1, state);
state = SCE_L_DEFAULT;
}
+ break;
+ case SCE_L_COMMENT2 :
+ if (ch == '\\') {
+ int match = i + 3;
+ if (latexLastWordIs(match, styler, "\\end")) {
+ match++;
+ if (latexIsTagValid(match, lengthDoc, styler)) {
+ if (latexLastWordIs(match, styler, "{comment}")) {
+ styler.ColourTo(i-1, state);
+ state = SCE_L_COMMAND;
+ }
+ }
+ }
+ }
+ break;
+ case SCE_L_VERBATIM :
+ if (ch == '\\') {
+ int match = i + 3;
+ if (latexLastWordIs(match, styler, "\\end")) {
+ match++;
+ if (latexIsTagValid(match, lengthDoc, styler)) {
+ if (latexLastWordIs(match, styler, "{verbatim}")) {
+ styler.ColourTo(i-1, state);
+ state = SCE_L_COMMAND;
+ }
+ }
+ }
+ } else if (chNext == chVerbatimDelim) {
+ styler.ColourTo(i+1, state);
+ state = SCE_L_DEFAULT;
+ chVerbatimDelim = '\0';
+ } else if (chVerbatimDelim != '\0' && (ch == '\n' || ch == '\r')) {
+ styler.ColourTo(i, SCE_L_ERROR);
+ state = SCE_L_DEFAULT;
+ chVerbatimDelim = '\0';
+ }
+ break;
}
}
styler.ColourTo(lengthDoc-1, state);
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-12 16:40:03 +0000