third_party/hunspell/src/hunspell/filemgr.cxx

   1 #include "license.hunspell"
   2 #include "license.myspell"
   3
   4 #include <stdlib.h>
   5 #include <string.h>
   6 #include <stdio.h>
   7
   8 #include "filemgr.hxx"
   9
  10 #ifdef HUNSPELL_CHROME_CLIENT
  11 #include "third_party/hunspell/google/bdict_reader.h"
  12
  13 FileMgr::FileMgr(hunspell::LineIterator* iterator) : iterator_(iterator) {
  14 }
  15
  16 FileMgr::~FileMgr() {
  17 }
  18
  19 char * FileMgr::getline() {
  20   // Read one line from a BDICT file and store the line to our line buffer.
  21   // To emulate the original FileMgr::getline(), this function returns
  22   // the pointer to our line buffer if we can read a line without errors.
  23   // Otherwise, this function returns NULL.
  24   bool result = iterator_->AdvanceAndCopy(line_, BUFSIZE - 1);
  25   return result ? line_ : NULL;
  26 }
  27
  28 int FileMgr::getlinenum() {
  29   // This function is used only for displaying a line number that causes a
  30   // parser error. For a BDICT file, providing a line number doesn't help
  31   // identifying the place where causes a parser error so much since it is a
  32   // binary file. So, we just return 0.
  33   return 0;
  34 }
  35 #else
  36 int FileMgr::fail(const char * err, const char * par) {
  37     fprintf(stderr, err, par);
  38     return -1;
  39 }
  40
  41 FileMgr::FileMgr(const char * file, const char * key) {
  42     linenum = 0;
  43     hin = NULL;
  44     fin = fopen(file, "r");
  45     if (!fin) {
  46         // check hzipped file
  47         char * st = (char *) malloc(strlen(file) + strlen(HZIP_EXTENSION) + 1);
  48         if (st) {
  49             strcpy(st, file);
  50             strcat(st, HZIP_EXTENSION);
  51             hin = new Hunzip(st, key);
  52             free(st);
  53         }
  54     }
  55     if (!fin && !hin) fail(MSG_OPEN, file);
  56 }
  57
  58 FileMgr::~FileMgr()
  59 {
  60     if (fin) fclose(fin);
  61     if (hin) delete hin;
  62 }
  63
  64 char * FileMgr::getline() {
  65     const char * l;
  66     linenum++;
  67     if (fin) return fgets(in, BUFSIZE - 1, fin);
  68     if (hin && ((l = hin->getline()) != NULL)) return strcpy(in, l);
  69     linenum--;
  70     return NULL;
  71 }
  72
  73 int FileMgr::getlinenum() {
  74     return linenum;
  75 }
  76 #endif