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#include "Main.h"
#include <ctype.h>
#include <stdio.h>
#include <string.h>
#include "Defines.h"
#include "Shade.h"
#include "Error.h"
#include "HpFile.h"
#include "Reorder.h"
/* own stuff */
#include "AuxFile.h"
static void GetAuxLine PROTO((FILE *)); /* forward */
static void GetAuxTok PROTO((FILE *)); /* forward */
void
GetAuxFile(FILE *auxfp)
{
ch = ' ';
endfile = 0;
linenum = 1;
GetAuxTok(auxfp);
while (endfile == 0) {
GetAuxLine(auxfp);
}
fclose(auxfp);
}
/*
* Read the next line from the aux file, check the syntax, and
* perform the appropriate action.
*/
static void
GetAuxLine(FILE *auxfp)
{
switch (thetok) {
case X_RANGE_TOK:
GetAuxTok(auxfp);
if (thetok != FLOAT_TOK) {
Error("%s, line %d, floating point number must follow X_RANGE",
auxfile, linenum);
}
auxxrange = thefloatish;
GetAuxTok(auxfp);
break;
case Y_RANGE_TOK:
GetAuxTok(auxfp);
if (thetok != FLOAT_TOK) {
Error("%s, line %d, floating point number must follow Y_RANGE",
auxfile, linenum);
}
auxyrange = thefloatish;
GetAuxTok(auxfp);
break;
case ORDER_TOK:
GetAuxTok(auxfp);
if (thetok != IDENTIFIER_TOK) {
Error("%s, line %d: identifier must follow ORDER",
auxfile, linenum);
}
GetAuxTok(auxfp);
if (thetok != INTEGER_TOK) {
Error("%s, line %d: identifier and integer must follow ORDER",
auxfile, linenum);
}
OrderFor(theident, theinteger);
GetAuxTok(auxfp);
break;
case SHADE_TOK:
GetAuxTok(auxfp);
if (thetok != IDENTIFIER_TOK) {
Error("%s, line %d: identifier must follow SHADE",
auxfile, linenum);
}
GetAuxTok(auxfp);
if (thetok != FLOAT_TOK) {
Error("%s, line %d: identifier and floating point number must follow SHADE",
auxfile, linenum);
}
ShadeFor(theident, thefloatish);
GetAuxTok(auxfp);
break;
case EOF_TOK:
endfile = 1;
break;
default:
Error("%s, line %d: %s unexpected", auxfile, linenum,
TokenToString(thetok));
break;
}
}
/*
* Read the next token from the input and assign its value
* to the global variable "thetok". In the case of numbers,
* the corresponding value is also assigned to "thefloatish";
* in the case of identifiers it is assigned to "theident".
*/
static void GetAuxTok(FILE *auxfp)
{
while (isspace(ch)) { /* skip whitespace */
if (ch == '\n') linenum++;
ch = getc(auxfp);
}
if (ch == EOF) {
thetok = EOF_TOK;
return;
}
if (isdigit(ch)) {
thetok = GetNumber(auxfp);
return;
} else if (IsIdChar(ch)) { /* ch can't be a digit here */
GetIdent(auxfp);
if (!isupper((int)theident[0])) {
thetok = IDENTIFIER_TOK;
} else if (strcmp(theident, "X_RANGE") == 0) {
thetok = X_RANGE_TOK;
} else if (strcmp(theident, "Y_RANGE") == 0) {
thetok = Y_RANGE_TOK;
} else if (strcmp(theident, "ORDER") == 0) {
thetok = ORDER_TOK;
} else if (strcmp(theident, "SHADE") == 0) {
thetok = SHADE_TOK;
} else {
thetok = IDENTIFIER_TOK;
}
return;
} else {
Error("%s, line %d: strange character (%c)", auxfile, linenum, ch);
}
}
void
PutAuxFile(FILE *auxfp)
{
int i;
fprintf(auxfp, "X_RANGE %.2f\n", xrange);
fprintf(auxfp, "Y_RANGE %.2f\n", yrange);
for (i = 0; i < nidents; i++) {
fprintf(auxfp, "ORDER %s %d\n", identtable[i]->name, i+1);
}
for (i = 0; i < nidents; i++) {
fprintf(auxfp, "SHADE %s %.2f\n", identtable[i]->name,
ShadeOf(identtable[i]->name));
}
fclose(auxfp);
}
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