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[util] List supported output formats in --help output

This commit is contained in:
Behdad Esfahbod 2012-12-21 16:46:53 -05:00
parent f95a87b7b8
commit 9815a88111
6 changed files with 18 additions and 7 deletions
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6
util/hb-shape.cc
View File

@ -31,7 +31,8 @@
struct output_buffer_t
{
output_buffer_t (option_parser_t *parser)
: options (parser),
: options (parser,
g_strjoinv (" / ", (gchar**) hb_buffer_serialize_list_formats ())),
format (parser) {}
void init (const font_options_t *font_opts)
@ -49,8 +50,7 @@ struct output_buffer_t
{
if (options.explicit_output_format)
fail (false, "Unknown output format `%s'; supported formats are: %s",
options.output_format,
g_strjoinv (" / ", (gchar**) hb_buffer_serialize_list_formats ()));
options.output_format, options.supported_formats);
else
/* Just default to TEXT if not explicitly requested and the
* file extension is not recognized. */

2
util/helper-cairo.cc
View File

@ -246,7 +246,7 @@ stdio_write_func (void *closure,
return CAIRO_STATUS_SUCCESS;
}
static const char helper_cairo_supported_formats[] =
const char helper_cairo_supported_formats[] =
"ansi"
#ifdef CAIRO_HAS_PNG_FUNCTIONS
"/png"

1
util/helper-cairo.hh
View File

@ -36,6 +36,7 @@ cairo_scaled_font_t *
helper_cairo_create_scaled_font (const font_options_t *font_opts,
double font_size);
extern const char helper_cairo_supported_formats[];
cairo_t *
helper_cairo_create_context (double w, double h,

9
util/options.cc
View File

@ -367,10 +367,17 @@ text_options_t::add_options (option_parser_t *parser)
void
output_options_t::add_options (option_parser_t *parser)
{
const char *text;
if (NULL == supported_formats)
text = "Set output format";
else
text = g_strdup_printf ("Set output format\n\n Supported formats are: %s", supported_formats);
GOptionEntry entries[] =
{
{"output-file", 0, 0, G_OPTION_ARG_STRING, &this->output_file, "Set output file-name (default: stdout)","filename"},
{"output-format", 0, 0, G_OPTION_ARG_STRING, &this->output_format, "Set output format", "format"},
{"output-format", 0, 0, G_OPTION_ARG_STRING, &this->output_format, text, "format"},
{NULL}
};
parser->add_group (entries,

5
util/options.hh
View File

@ -310,9 +310,11 @@ struct text_options_t : option_group_t
struct output_options_t : option_group_t
{
output_options_t (option_parser_t *parser) {
output_options_t (option_parser_t *parser,
const char *supported_formats_ = NULL) {
output_file = NULL;
output_format = NULL;
supported_formats = supported_formats_;
explicit_output_format = false;
fp = NULL;
@ -345,6 +347,7 @@ struct output_options_t : option_group_t
const char *output_file;
const char *output_format;
const char *supported_formats;
bool explicit_output_format;
mutable FILE *fp;

2
util/view-cairo.hh
View File

@ -33,7 +33,7 @@
struct view_cairo_t {
view_cairo_t (option_parser_t *parser)
: output_options (parser),
: output_options (parser, helper_cairo_supported_formats),
view_options (parser) {}
~view_cairo_t (void) {
if (debug)