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| Rev | Author | Line No. | Line |
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| 10 | reyssat | 1 | /* Copyright (C) 1998-2003 XIAO, Gang of Universite de Nice - Sophia Antipolis |
| 2 | * |
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| 3 | * This program is free software; you can redistribute it and/or modify |
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| 4 | * it under the terms of the GNU General Public License as published by |
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| 5 | * the Free Software Foundation; either version 2 of the License, or |
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| 6 | * (at your option) any later version. |
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| 7 | * |
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| 8 | * This program is distributed in the hope that it will be useful, |
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| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 11 | * GNU General Public License for more details. |
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| 12 | * |
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| 13 | * You should have received a copy of the GNU General Public License |
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| 14 | * along with this program; if not, write to the Free Software |
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| 15 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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| 16 | */ |
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| 17 | |||
| 18 | /* Versatile translation according to a dictionary */ |
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| 19 | |||
| 20 | char inpbuf[MAX_LINELEN+1], troutbuf[2*MAX_LINELEN+2]; |
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| 21 | struct entry { |
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| 22 | unsigned char *original, *replace; |
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| 23 | int olen,earlier; |
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| 24 | } entry[MAX_DICENTRIES]; |
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| 25 | int entrycount=0; |
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| 26 | |||
| 27 | struct dic { |
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| 28 | char name[MAX_FNAME+1]; |
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| 29 | char unknown[256]; |
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| 30 | char *buf; |
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| 31 | int unknown_type; |
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| 32 | int start; |
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| 33 | int len; |
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| 34 | } dic[MAX_DICS]; |
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| 35 | int diccnt; |
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| 36 | int transdic, macrodic; |
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| 37 | |||
| 38 | enum { |
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| 39 | unk_delete, unk_leave, unk_replace |
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| 40 | }; |
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| 41 | |||
| 42 | int compare(struct entry *e, const char *s2) |
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| 43 | { |
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| 44 | int k; |
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| 3808 | kbelabas | 45 | k=strncmp((char*)e->original, (char*)s2, e->olen); |
| 10 | reyssat | 46 | if(k==0 && isalnum(*(s2+e->olen))) return -1; |
| 47 | else return k; |
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| 48 | } |
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| 49 | |||
| 50 | /* searches a list. Returns index if found, -1 if nomatch. |
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| 51 | * Uses binary search, list must be sorted. */ |
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| 52 | int search_dic(struct entry *list, int items, size_t item_size, const char *str) |
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| 53 | { |
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| 54 | int i1,i2,j,k,t,t1; |
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| 55 | unsigned char c; |
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| 56 | |||
| 57 | if(items<=0) return -1; |
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| 58 | j=0; c=str[0]; |
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| 59 | k=list[0].original[0]-c; if(k==0) k=compare(list,str); |
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| 60 | if(k==0) goto more; if(k>0) return -1; |
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| 61 | j=items-1; k=list[j].original[0]-c; if(k==0) k=compare(list+j,str); |
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| 62 | if(k==0) return j; |
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| 63 | if(k>0) for(i1=0,i2=j;i2>i1+1;) { |
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| 64 | j=i1+(i2-i1)/2; |
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| 65 | k=list[j].original[0]-c; if(k==0) k=compare(list+j,str); |
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| 66 | if(k==0) goto more; |
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| 67 | if(k>0) {i2=j; continue;} |
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| 68 | if(k<0) {i1=j; continue;} |
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| 69 | } |
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| 70 | if(k>0) {j--;k=compare(list+j,str);} |
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| 71 | more: |
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| 72 | if((t=list[j].earlier)<0) { |
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| 73 | if(k==0) return j; else return -1; |
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| 74 | } |
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| 75 | if(compare(entry+t,str)!=0) return -1; |
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| 76 | for(j=t1=t,k=0;j<items+(list-entry) && entry[j].earlier==t1 && (k=compare(entry+j,str))<=0; j++) |
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| 77 | if(k==0) t=j; |
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| 78 | return t-(list-entry); |
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| 79 | } |
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| 80 | |||
| 81 | #include "suffix.c" |
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| 82 | |||
| 83 | /* Prepare dictionary */ |
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| 84 | struct dic *prepare_dic(char *fname) |
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| 85 | { |
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| 86 | int i,l; |
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| 87 | struct dic *thisdic; |
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| 88 | FILE *dicf; |
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| 89 | char *p1, *p2, *pp; |
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| 90 | char tbuf[256], buf[MAX_LINELEN+1]; |
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| 91 | long int flen; |
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| 92 | |||
| 93 | if(diccnt>=MAX_DICS) error("too_many_dictionaries"); |
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| 94 | thisdic=dic+diccnt; diccnt++; |
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| 95 | thisdic->len=0; |
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| 96 | thisdic->start=entrycount; |
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| 97 | snprintf(thisdic->name,sizeof(thisdic->name),"%s",fname); |
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| 98 | dicf=fopen(mkfname(NULL,"%s/%s",styledir,fname),"r"); if(dicf==NULL) return NULL; |
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| 99 | fseek(dicf,0,SEEK_END);flen=ftell(dicf); fseek(dicf,0,SEEK_SET); |
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| 100 | if(flen>=MAX_DICSIZE) return NULL; |
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| 101 | thisdic->buf=xmalloc(flen+16);flen=fread(thisdic->buf,1,flen,dicf); |
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| 102 | fclose(dicf); |
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| 103 | if(flen>0 && flen<MAX_DICSIZE) thisdic->buf[flen]=0; |
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| 104 | else return NULL; |
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| 105 | for(i=entrycount,p1=thisdic->buf;p1!=NULL && *p1!=0 && i<MAX_DICENTRIES;p1=p2) { |
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| 106 | p2=strchr(p1+1,'\n'); if(p2>p1) *p2++=0; |
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| 107 | pp=strchr(p1,':'); if(pp==NULL) continue; |
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| 108 | *pp++=0; |
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| 109 | strip_trailing_spaces(p1); strip_trailing_spaces(pp); |
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| 110 | singlespace(p1); |
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| 111 | p1=find_word_start(p1); pp=find_word_start(pp); |
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| 112 | if(*p1==0) continue; |
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| 113 | if(i>entrycount && compare(entry+i-1,p1)>0) |
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| 114 | error("unsorted_dictionary %s: %s > %s.\n", |
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| 115 | fname,entry[i-1].original,p1); |
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| 3808 | kbelabas | 116 | if(i>entrycount && strcmp((char*)entry[i-1].original,p1)==0) |
| 10 | reyssat | 117 | error("duplication_in_dictionary %s: %s.\n", |
| 118 | fname,p1); |
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| 3808 | kbelabas | 119 | entry[i].original=(unsigned char*)p1; |
| 120 | entry[i].replace=(unsigned char*)pp; |
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| 10 | reyssat | 121 | entry[i].olen=l=strlen(p1); entry[i].earlier=-1; |
| 122 | if(i>0) { |
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| 123 | int l1,l2; |
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| 124 | l1=entry[i-1].earlier; if(l1>=0) l2=entry[l1].olen; |
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| 125 | else {l2=entry[i-1].olen;l1=i-1;} |
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| 126 | if(l>l2 && isspace(p1[l2]) |
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| 3808 | kbelabas | 127 | && strncmp((char*)entry[l1].original,p1,l2)==0) |
| 10 | reyssat | 128 | entry[i].earlier=entry[i-1].earlier=l1; |
| 129 | } |
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| 130 | i++; |
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| 131 | } |
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| 132 | thisdic->len=i-entrycount; |
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| 3808 | kbelabas | 133 | pp=strrchr(fname,'/'); if(pp==NULL) pp=fname; |
| 10 | reyssat | 134 | snprintf(tbuf,sizeof(tbuf),"unknown_%s",pp); |
| 135 | _getdef(defbuf,tbuf,buf); |
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| 136 | p1=find_word_start(buf); *find_word_end(p1)=0; |
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| 137 | for(pp=p1; *pp; pp++) *pp=tolower(*pp); |
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| 138 | thisdic->unknown_type=unk_delete; |
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| 139 | if(strcmp(p1,"leave")==0) thisdic->unknown_type=unk_leave; |
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| 140 | else if(strcmp(p1,"delete")!=0) { |
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| 141 | thisdic->unknown_type=unk_replace; |
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| 142 | snprintf(thisdic->unknown,sizeof(thisdic->unknown),"%s",p1); |
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| 143 | } |
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| 144 | entrycount=i; |
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| 145 | if(debug) fprintf(stderr,"Dictionary %d: %s, %d entries.\n", |
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| 146 | diccnt,fname,thisdic->len); |
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| 147 | return thisdic; |
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| 148 | } |
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| 149 | |||
| 150 | /* make the translation. */ |
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| 151 | void _translate(char *p, int i) |
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| 152 | { |
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| 153 | char *p1, *p2, *pp; |
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| 154 | int t; |
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| 155 | |||
| 156 | if(i<0 || i>=diccnt) return; |
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| 157 | if(dic[i].len<=0) return; |
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| 158 | snprintf(troutbuf,sizeof(troutbuf),"%s",p); |
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| 159 | for(p1=find_word_start(troutbuf); |
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| 160 | p1!=NULL && p1-troutbuf<MAX_LINELEN && *p1!=0; |
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| 161 | p1=p2) { |
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| 162 | p2=find_word_end(p1); |
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| 163 | for(pp=p1;pp<p2 && (isalnum(*pp) || strchr("_",*pp)!=NULL);pp++); |
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| 164 | p2=find_word_start(p2); |
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| 165 | if(pp==p1 || (*pp!=0 && strchr(" ,.?!",*pp)==NULL)) continue; |
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| 166 | t=search_dic(entry+dic[i].start,dic[i].len,sizeof(entry[0]),p1); |
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| 167 | if(t<0) { |
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| 168 | switch(dic[i].unknown_type) { |
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| 169 | case unk_leave: break; |
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| 170 | case unk_delete: { |
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| 3718 | reyssat | 171 | ovlstrcpy(p1,find_word_start(pp)); p2=p1; |
| 10 | reyssat | 172 | break; |
| 173 | } |
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| 174 | case unk_replace: { |
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| 175 | string_modify(troutbuf,p1,pp,dic[i].unknown); |
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| 176 | p2=find_word_start(p1+strlen(dic[i].unknown)); |
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| 177 | } |
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| 178 | } |
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| 179 | continue; |
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| 180 | } |
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| 181 | t+=dic[i].start; |
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| 3808 | kbelabas | 182 | string_modify(troutbuf,p1,p1+strlen((char*)entry[t].original), |
| 183 | (char*)entry[t].replace); |
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| 184 | p2=find_word_start(p1+strlen((char*)entry[t].replace)); |
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| 10 | reyssat | 185 | } |
| 186 | snprintf(p,MAX_LINELEN,"%s",troutbuf); |
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| 187 | } |
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| 188 | |||
| 189 | /* make translation using file name */ |
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| 190 | void translate(char *p, char *dicname) |
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| 191 | { |
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| 192 | int i; |
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| 193 | for(i=0;i<diccnt && strcmp(dicname,dic[i].name)!=0;i++); |
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| 194 | if(i<diccnt) _translate(p,i); |
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| 195 | } |
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| 196 | |||
| 197 | /* Returns dictionary index, or -1 if not found */ |
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| 198 | int getdic(char *dicname) |
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| 199 | { |
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| 200 | int i; |
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| 201 | char *p1, *p2, buf[MAX_LINELEN+1]; |
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| 202 | for(i=0;i<diccnt && strcmp(dicname,dic[i].name)!=0;i++); |
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| 203 | if(i<diccnt) return i; |
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| 204 | _getdef(defbuf,"dictionaries",buf); |
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| 205 | p1=wordchr(buf,dicname); if(p1==NULL) return -1; |
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| 206 | for(p2=p1; myisalnum(*p2) || *p2=='.'; p2++); |
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| 207 | if(p2-p1 >= MAX_NAMELEN) return -1; |
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| 208 | *p2=0; i=diccnt; |
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| 209 | prepare_dic(dicname); return i; |
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| 210 | } |
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| 211 |