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#include <stdio.h>
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#include "dictre.h"
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extern struct Word words[];
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extern int nwords;
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extern struct Def defs[];
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extern int ndefs;
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static char num_to_ia5char(int n)
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{
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/* From RFC 1421 */
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if (n >= 0 && n <= 25)
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return 'A' + n;
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else if (n >= 26 && n <= 51)
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return 'a' + (n - 26);
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else if (n >= 52 && n <= 61)
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return '0' + (n - 52);
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else if (n == 62)
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return '+';
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else if (n == 63)
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return '-';
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else
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return '!'; /* Error */
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}
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static int num_to_ia5(char *dest, int n)
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{
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char tmp[20];
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int i, max;
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for(i =0; i <= 10; ++i)
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{
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tmp[i] = num_to_ia5char(n % 64);
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if (n < 64)
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break;
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n /= 64;
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}
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max = i;
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/* reverse the number */
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for (i=0; i<=max; ++i)
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dest[i] = tmp[max-i];
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/* Ending '\0' */
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dest[max+1] = '\0';
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return max;
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}
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static int write_dictionary_data(FILE *fdefs)
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{
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int i;
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int offset = 0;
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for (i=0; i < ndefs; ++i)
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{
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fwrite(defs[i].d, defs[i].length, 1, fdefs);
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defs[i].offset = offset;
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offset += defs[i].length;
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}
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}
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static void write_dictionary_index(FILE *index)
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{
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int i;
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for (i=0; i < nwords; ++i)
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{
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char offset_str[50];
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char length_str[50];
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num_to_ia5(offset_str, defs[words[i].def].offset);
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num_to_ia5(length_str, defs[words[i].def].length);
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fprintf(index, "%s\t%s\t%s\n",
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words[i].w, offset_str, length_str);
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}
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}
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void write_dictionary(const char *name)
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{
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FILE *i, *d;
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char tmpname[500];
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strcpy(tmpname, name);
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strcat(tmpname, ".dict");
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d = fopen(tmpname, "wb");
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write_dictionary_data(d);
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fclose(d);
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strcpy(tmpname, name);
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strcat(tmpname, ".index");
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i = fopen(tmpname, "wb");
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write_dictionary_index(i);
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fclose(i);
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}
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