third_party/hunspell/src/parsers/manparser.cxx

   1 #include <cstdlib>
   2 #include <cstring>
   3 #include <cstdio>
   4 #include <ctype.h>
   5
   6 #include "../hunspell/csutil.hxx"
   7 #include "manparser.hxx"
   8
   9
  10 #ifndef W32
  11 using namespace std;
  12 #endif
  13
  14 ManParser::ManParser() {
  15 }
  16
  17 ManParser::ManParser(const char * wordchars)
  18 {
  19         init(wordchars);
  20 }
  21
  22 ManParser::ManParser(unsigned short * wordchars, int len)
  23 {
  24         init(wordchars, len);
  25 }
  26
  27 ManParser::~ManParser()
  28 {
  29 }
  30
  31 char * ManParser::next_token()
  32 {
  33         for (;;) {
  34                 switch (state)
  35                 {
  36                 case 1: // command arguments
  37                         if (line[actual][head] == ' ') state = 2;
  38                         break;
  39                 case 0: // dot in begin of line
  40                         if (line[actual][0] == '.') {
  41                                 state =  1;
  42                                 break;
  43                         } else {
  44                                 state = 2;
  45                         }
  46                         // no break
  47                 case 2: // non word chars
  48                         if (is_wordchar(line[actual] + head)) {
  49                                 state = 3;
  50                                 token = head;
  51                         } else if ((line[actual][head] == '\\') &&
  52                                    (line[actual][head + 1] == 'f') &&
  53                                    (line[actual][head + 2] != '\0')) {
  54                                 head += 2;
  55                         }
  56                         break;
  57                 case 3: // wordchar
  58                         if (! is_wordchar(line[actual] + head)) {
  59                                 state = 2;
  60                                 char * t = alloc_token(token, &head);
  61                                 if (t) return t;
  62                         }
  63                         break;
  64                 }
  65                 if (next_char(line[actual], &head)) {
  66                         state = 0;
  67                         return NULL;
  68                 }
  69         }
  70 }
  71