Rename third_party/hunspell_new back to third_party/hunspell.

third_party/hunspell_new/src/parsers/latexparser.cxx

-#include <cstdlib>
-#include <cstring>
-#include <cstdio>
-#include <ctype.h>
-
-#include "../hunspell/csutil.hxx"
-#include "latexparser.hxx"
-
-#ifndef W32
-using namespace std;
-#endif
-
-static struct {
-        const char * pat[2];
-        int arg;
-} PATTERN[] = {
-        { { "\\(", "\\)" } , 0 },
-        { { "$$", "$$" } , 0 },
-        { { "$", "$" } , 0 },
-        { { "\\begin{math}", "\\end{math}" } , 0 },
-        { { "\\[", "\\]" } , 0 },
-        { { "\\begin{displaymath}", "\\end{displaymath}" } , 0 },
-        { { "\\begin{equation}", "\\end{equation}" } , 0 },
-        { { "\\begin{equation*}", "\\end{equation*}" } , 0 },
-        { { "\\cite", NULL } , 1 },
-        { { "\\nocite", NULL } , 1 },
-        { { "\\index", NULL } , 1 },
-        { { "\\label", NULL } , 1 },
-        { { "\\ref", NULL } , 1 },
-        { { "\\pageref", NULL } , 1 },
-        { { "\\parbox", NULL } , 1 },
-        { { "\\begin{verbatim}", "\\end{verbatim}" } , 0 },
-        { { "\\verb+", "+" } , 0 },
-        { { "\\verb|", "|" } , 0 },
-        { { "\\verb#", "#" } , 0 },
-        { { "\\verb*", "*" } , 0 },
-        { { "\\documentstyle", "\\begin{document}" } , 0 },
-        { { "\\documentclass", "\\begin{document}" } , 0 },
-//      { { "\\documentclass", NULL } , 1 },
-        { { "\\usepackage", NULL } , 1 },
-        { { "\\includeonly", NULL } , 1 },
-        { { "\\include", NULL } , 1 },
-        { { "\\input", NULL } , 1 },
-        { { "\\vspace", NULL } , 1 },
-        { { "\\setlength", NULL } , 2 },
-        { { "\\addtolength", NULL } , 2 },
-        { { "\\settowidth", NULL } , 2 },
-        { { "\\rule", NULL } , 2 },
-        { { "\\hspace", NULL } , 1 } ,
-        { { "\\vspace", NULL } , 1 } ,
-        { { "\\\\[", "]" } , 0 },
-        { { "\\pagebreak[", "]" } , 0 } ,
-        { { "\\nopagebreak[", "]" } , 0 } ,
-        { { "\\enlargethispage", NULL } , 1 } ,
-        { { "\\begin{tabular}", NULL } , 1 } ,
-        { { "\\addcontentsline", NULL } , 2 } ,
-        { { "\\begin{thebibliography}", NULL } , 1 } ,
-        { { "\\bibliography", NULL } , 1 } ,
-        { { "\\bibliographystyle", NULL } , 1 } ,
-        { { "\\bibitem", NULL } , 1 } ,
-        { { "\\begin", NULL } , 1 } ,
-        { { "\\end", NULL } , 1 } ,
-        { { "\\pagestyle", NULL } , 1 } ,
-        { { "\\pagenumbering", NULL } , 1 } ,
-        { { "\\thispagestyle", NULL } , 1 } ,
-        { { "\\newtheorem", NULL } , 2 },
-        { { "\\newcommand", NULL } , 2 },
-        { { "\\renewcommand", NULL } , 2 },
-        { { "\\setcounter", NULL } , 2 },
-        { { "\\addtocounter", NULL } , 1 },
-        { { "\\stepcounter", NULL } , 1 },
-        { { "\\selectlanguage", NULL } , 1 },
-        { { "\\inputencoding", NULL } , 1 },
-        { { "\\hyphenation", NULL } , 1 },
-        { { "\\definecolor", NULL } , 3 },
-        { { "\\color", NULL } , 1 },
-        { { "\\textcolor", NULL } , 1 },
-        { { "\\pagecolor", NULL } , 1 },
-        { { "\\colorbox", NULL } , 2 },
-        { { "\\fcolorbox", NULL } , 2 },
-        { { "\\declaregraphicsextensions", NULL } , 1 },
-        { { "\\psfig", NULL } , 1 },
-        { { "\\url", NULL } , 1 },
-        { { "\\eqref", NULL } , 1 },
-        { { "\\vskip", NULL } , 1 },
-        { { "\\vglue", NULL } , 1 },
-        { { "\'\'", NULL } , 1 }
-};
-
-#define PATTERN_LEN (sizeof(PATTERN) / sizeof(PATTERN[0]))
-
-LaTeXParser::LaTeXParser(const char * wordchars)
-{
-        init(wordchars);
-}
-
-LaTeXParser::LaTeXParser(unsigned short * wordchars, int len)
-{
-        init(wordchars, len);
-}
-
-LaTeXParser::~LaTeXParser() 
-{
-}
-
-int LaTeXParser::look_pattern(int col)
-{
-        for (unsigned int i = 0; i < PATTERN_LEN; i++) {
-                char * j = line[actual] + head;
-                const char * k = PATTERN[i].pat[col];
-                if (! k) continue;
-                while ((*k != '\0') && (tolower(*j) == *k)) {
-                        j++;
-                        k++;
-                }
-                if (*k == '\0') return i;
-        }
-        return -1;
-}
-
-/*
- * LaTeXParser
- *
- * state 0: not wordchar
- * state 1: wordchar
- * state 2: comments
- * state 3: commands 
- * state 4: commands with arguments
- * state 5: % comment
- *
- */
-
-
-char * LaTeXParser::next_token()
-{
-        int i;
-        int slash = 0;
-        int apostrophe;
-        for (;;) {
-                // fprintf(stderr,"depth: %d, state: %d, , arg: %d, token: %s\n",depth,state,arg,line[actual]+head);
-                
-                switch (state)
-                {
-                case 0: // non word chars
-                        if ((pattern_num = look_pattern(0)) != -1) {
-                                if (PATTERN[pattern_num].pat[1]) {
-                                        state = 2;
-                                } else {
-                                        state = 4;
-                                        depth = 0;
-                                        arg = 0;
-                                        opt = 1;
-                                }
-                                head += strlen(PATTERN[pattern_num].pat[0]) - 1;
-                        } else if ((line[actual][head] == '%')) {
-                                        state = 5;
-                        } else if (is_wordchar(line[actual] + head)) {
-                                state = 1;
-                                token = head;
-                        } else if (line[actual][head] == '\\') {
-                                if (line[actual][head + 1] == '\\' ||  // \\ (linebreak)
-                                        (line[actual][head + 1] == '$') || // \$ (dollar sign)
-                                        (line[actual][head + 1] == '%')) { // \% (percent)
-                                        head++;
-                                        break;
-                                }
-                                state = 3;
-                        } else if (line[actual][head] == '%') {
-                                if ((head==0) || (line[actual][head - 1] != '\\')) state = 5;
-                        }
-                        break;
-                case 1: // wordchar
-                        apostrophe = 0;
-                        if (! is_wordchar(line[actual] + head) ||
-                          (line[actual][head] == '\'' && line[actual][head+1] == '\'' && ++apostrophe)) {
-                                state = 0;
-                                char * t = alloc_token(token, &head);
-                                if (apostrophe) head += 2;
-                                if (t) return t;
-                        }
-                        break;
-                case 2: // comment, labels, etc
-                        if (((i = look_pattern(1)) != -1) && 
-                                (strcmp(PATTERN[i].pat[1],PATTERN[pattern_num].pat[1]) == 0)) {
-                                        state = 0;
-                                        head += strlen(PATTERN[pattern_num].pat[1]) - 1;
-                        }
-                        break;
-                case 3: // command
-                        if ((tolower(line[actual][head]) < 'a') || (tolower(line[actual][head]) > 'z')) {
-                                state = 0;
-                                head--;
-                        }
-                        break;
-                case 4: // command with arguments
-                        if (slash && (line[actual][head] != '\0')) {
-                                slash = 0;
-                                head++;
-                                break;
-                        } else if (line[actual][head]=='\\') {
-                                slash = 1;
-                        } else if ((line[actual][head] == '{') ||
-                                ((opt) && (line[actual][head] == '['))) {
-                                        depth++;
-                                        opt = 0;
-                        } else if (line[actual][head] == '}') {
-                                depth--;
-                                if (depth == 0) { 
-                                        opt = 1;
-                                        arg++;
-                                }
-                                if (((depth == 0) && (arg == PATTERN[pattern_num].arg)) ||
-                                        (depth < 0) ) {
-                                                state = 0; // XXX not handles the last optional arg.
-                                }
-                        } else if (line[actual][head] == ']') depth--;
-                } // case
-                if (next_char(line[actual], &head)) {
-                        if (state == 5) state = 0;
-                        return NULL;
-                }
-        }
-}