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[bdf] Clean up the atom property parsing.

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* src/bdflib.c (bdf_is_atom_): Refactor code with fewer checks.
(bdf_list_join_): Return NULL.
(bdf_add_comment_): Use const argument.
(bdf_get_property): Ditto, ditto, make the function static.
* src/bdf.h (bdf_get_property): Remove prototype.
This commit is contained in:
Alexei Podtelezhnikov 2023-04-26 23:15:24 -04:00
parent 0a3836c97d
commit 7ab541a28b
2 changed files with 25 additions and 31 deletions
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4
src/bdf/bdf.h
View File

@ -239,10 +239,6 @@ FT_BEGIN_HEADER
FT_LOCAL( void )
bdf_free_font( bdf_font_t* font );
FT_LOCAL( bdf_property_t * )
bdf_get_property( char* name,
bdf_font_t* font );
FT_LOCAL( bdf_property_t * )
bdf_get_font_property( bdf_font_t* font,
const char* name );

52
src/bdf/bdflib.c
View File

@ -378,7 +378,7 @@
*alen = 0;
if ( list == NULL || list->used == 0 )
return 0;
return NULL;
dp = list->field[0];
for ( i = j = 0; i < list->used; i++ )
@ -887,18 +887,18 @@
}
FT_LOCAL_DEF( bdf_property_t* )
bdf_get_property( char* name,
static bdf_property_t*
bdf_get_property( const char* name,
bdf_font_t* font )
{
size_t* propid;
if ( name == NULL || *name == 0 )
return 0;
return NULL;
if ( ( propid = ft_hash_str_lookup( name, &(font->proptbl) ) ) == NULL )
return 0;
return NULL;
if ( *propid >= num_bdf_properties_ )
return font->user_props + ( *propid - num_bdf_properties_ );
@ -944,7 +944,7 @@
static FT_Error
bdf_add_comment_( bdf_font_t* font,
char* comment,
const char* comment,
unsigned long len )
{
char* cp;
@ -1053,27 +1053,24 @@
bdf_property_t* p;
*name = sp = ep = line;
sp = ep = line;
while ( *ep && *ep != ' ' && *ep != '\t' )
ep++;
hold = -1;
if ( *ep )
{
hold = *ep;
*ep = 0;
}
hold = *ep;
*ep = '\0';
p = bdf_get_property( sp, font );
/* Restore the character that was saved before any return can happen. */
if ( hold != -1 )
*ep = (char)hold;
/* If the property exists and is not an atom, just return here. */
if ( p && p->format != BDF_ATOM )
{
*ep = (char)hold; /* Undo NUL-termination. */
return 0;
}
*name = sp;
/* The property is an atom. Trim all leading and trailing whitespace */
/* and double quotes for the atom value. */
@ -1081,25 +1078,26 @@
ep = line + linelen;
/* Trim the leading whitespace if it exists. */
if ( *sp )
*sp++ = 0;
while ( *sp &&
( *sp == ' ' || *sp == '\t' ) )
sp++;
if ( sp < ep )
do
sp++;
while ( *sp == ' ' || *sp == '\t' );
/* Trim the leading double quote if it exists. */
if ( *sp == '"' )
sp++;
*value = sp;
/* Trim the trailing whitespace if it exists. */
while ( ep > sp &&
( *( ep - 1 ) == ' ' || *( ep - 1 ) == '\t' ) )
*--ep = 0;
if ( sp < ep )
do
*ep-- = '\0';
while ( *ep == ' ' || *ep == '\t' );
/* Trim the trailing double quote if it exists. */
if ( ep > sp && *( ep - 1 ) == '"' )
*--ep = 0;
if ( *ep == '"' )
*ep = '\0';
return 1;
}