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[plist] Report line-relative character position in errors

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Far better than string-relative.
This commit is contained in:
Bill Currie 2022-05-06 20:09:55 +09:00
parent b69b7b6a4a
commit ae9e8f8f4e
1 changed files with 19 additions and 19 deletions
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38
libs/util/plist.c
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@ -95,6 +95,7 @@ typedef struct pldata_s { // Unparsed property list string
unsigned end;
unsigned pos;
unsigned line;
unsigned line_start;
plitem_t *error;
va_ctx_t *va_ctx;
hashlink_t **hashlinks;
@ -516,6 +517,7 @@ pl_skipspace (pldata_t *pl)
if (c == '\n') {
pl->line++;
pl->line_start = pl->pos + 1;
} else if (c == '*' && pl->pos < pl->end - 1
&& pl->ptr[pl->pos+1] == '/') {
pl->pos++;
@ -536,6 +538,7 @@ pl_skipspace (pldata_t *pl)
}
if (c == '\n') {
pl->line++;
pl->line_start = pl->pos + 1;
}
pl->pos++;
}
@ -649,6 +652,7 @@ pl_parsequotedstring (pldata_t *pl)
if (c == '\n') {
pl->line++;
pl->line_start = pl->pos + 1;
}
pl->pos++;
@ -932,36 +936,32 @@ pl_parsepropertylistitem (pldata_t *pl)
VISIBLE plitem_t *
PL_GetPropertyList (const char *string, hashlink_t **hashlinks)
{
pldata_t *pl = calloc (1, sizeof (pldata_t));
plitem_t *newpl = NULL;
if (!quotable_bitmap[0])
init_quotables ();
pl->ptr = string;
pl->pos = 0;
pl->end = strlen (string);
pl->error = NULL;
pl->line = 1;
pl->va_ctx = va_create_context (4);
pl->hashlinks = hashlinks;
pldata_t pl = {
.ptr = string,
.end = strlen (string),
.line = 1,
.va_ctx = va_create_context (4),
.hashlinks = hashlinks,
};
if ((newpl = pl_parsepropertylistitem (pl))) {
va_destroy_context (pl->va_ctx);
free (pl);
return newpl;
} else {
if (pl && pl->error) {
const char *error = PL_String (pl->error);
if (!(newpl = pl_parsepropertylistitem (&pl))) {
if (pl.error) {
const char *error = PL_String (pl.error);
if (error[0]) {
Sys_Printf ("plist: %d,%d: %s\n", pl->line, pl->pos, error);
Sys_Printf ("plist: %d,%d: %s\n", pl.line,
pl.pos - pl.line_start, error);
}
PL_Free (pl->error);
PL_Free (pl.error);
}
va_destroy_context (pl->va_ctx);
free (pl);
return NULL;
}
va_destroy_context (pl.va_ctx);
return newpl;
}
static void