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%{
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ncurses.h>
#include <forms.h>
extern struct form *form;
struct field *cur_field;
int id,next, up, down, left, right;
%}
%start file
%union {
int ival;
char *sval;
}
%token <sval> STRING
%token <ival> NUMBER
%token <ival> INPUT
%token <ival> TEXT
%token <ival> FORM
%type <sval> String
%%
file : /* Empty */
| file form
| file fields
| error
;
form : FORM NUMBER NUMBER NUMBER NUMBER
{
form = (struct form *) malloc(sizeof(struct form));
if (!form)
return(-1);
form->x = $2;
form->y = $3;
form->height = $4;
form->width = $5;
form->fields = 0;
}
;
fields : input
| text
;
input : INPUT NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER String NUMBER NUMBER NUMBER NUMBER String
{
if (alloc_field() == -1)
return(-1);
cur_field->field_id = $2;
/*
* These will hold addresses but store
* the field id's in them temporarily
*/
cur_field->next = (struct field *) $3;
cur_field->up = (struct field *) $4;
cur_field->down = (struct field *) $5;
cur_field->left = (struct field *) $6;
cur_field->right = (struct field *) $7;
cur_field->type = FORM_FTYPE_INPUT;
cur_field->entry.input.y_prompt = $8;
cur_field->entry.input.x_prompt = $9;
cur_field->entry.input.prompt_width = $10;
cur_field->entry.input.prompt_attr = FORM_DEFAULT_ATTR;
cur_field->entry.input.prompt = (char *) malloc($10+1);
if (!cur_field->entry.input.prompt)
return(-1);
strncpy(cur_field->entry.input.prompt, $11, $10);
cur_field->entry.input.prompt[$10] = 0;
cur_field->entry.input.y_field = $12;
cur_field->entry.input.x_field = $13;
cur_field->entry.input.field_width = $14;
cur_field->entry.input.max_field_width = $15;
cur_field->entry.input.field = (char *) malloc(strlen($16));
cur_field->entry.input.field_attr = FORM_DEFAULT_ATTR;
if (!cur_field->entry.input.field)
return(-1);
strcpy(cur_field->entry.input.field, $16);
}
;
text : TEXT NUMBER NUMBER String
{
if (alloc_field() == -1)
return(-1);
cur_field->field_id = 0;
cur_field->type = FORM_FTYPE_TEXT;
cur_field->entry.text.y = $2;
cur_field->entry.text.x = $3;
cur_field->entry.text.attr = FORM_DEFAULT_ATTR;
cur_field->entry.text.text = (char *) malloc(strlen($4));
if (!cur_field->entry.text.text)
return (-1);
strcpy(cur_field->entry.text.text, $4);
}
;
String : STRING
{
char *t, *old, *new;
t = strdup($1);
free($1);
/*
* Deal with any escaped characters,
* only works for " and \ really.
*/
for (old=t, new=t; *old; old++, new++) {
if (*old == '\\')
old++;
*new = *old;
}
*new = '\0';
$$ = t;
}
%%
void
yyerror(char *s)
{
printf("%s\n", s);
exit(1);
}
int
alloc_field()
{
if (!form->fields) {
form->fields = (struct field *) malloc(sizeof(struct field));
if (!form->fields)
return(-1);
cur_field = form->fields;
} else {
cur_field->link = (struct field *) malloc(sizeof(struct field));
if (!cur_field->link)
return(-1);
cur_field = cur_field->link;
}
return(0);
}
|
