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Commit fbeb7e7f authored by Antoine Cellerier's avatar Antoine Cellerier
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Add color help output when using command line switches to get help + --color.

parent bd17df50
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Inline Side-by-side
Showing with 93 additions and 14 deletions
src/libvlc-common.c
View file @ fbeb7e7f
......@@ -1289,6 +1289,18 @@ static void Usage( libvlc_int_t *p_this, char const *psz_module_name )
*
* The purpose of having bra and ket is that we might i18n them as well.
*/
# define COL(x) "\033[" #x ";1m"
# define RED COL(31)
# define GREEN COL(32)
# define YELLOW COL(33)
# define BLUE COL(34)
# define MAGENTA COL(35)
# define CYAN COL(36)
# define WHITE COL(37)
# define GRAY "\033[0m"
#define COLOR_FORMAT_STRING (WHITE" %s --%s"YELLOW"%s%s%s%s%s%s "GRAY)
#define LINE_START 8
#define PADDING_SPACES 25
#ifdef WIN32
......@@ -1299,7 +1311,7 @@ static void Usage( libvlc_int_t *p_this, char const *psz_module_name )
vlc_list_t *p_list = NULL;
char psz_spaces_text[PADDING_SPACES+LINE_START+1];
char psz_spaces_longtext[LINE_START+3];
char psz_format[sizeof(FORMAT_STRING)];
char psz_format[sizeof(COLOR_FORMAT_STRING)];
char psz_buffer[10000];
char psz_short[4];
int i_index;
......@@ -1308,13 +1320,17 @@ static void Usage( libvlc_int_t *p_this, char const *psz_module_name )
vlc_bool_t b_advanced = config_GetInt( p_this, "advanced" );
vlc_bool_t b_description = config_GetInt( p_this, "help-verbose" );
vlc_bool_t b_description_hack;
vlc_bool_t b_color = config_GetInt( p_this, "color" );
memset( psz_spaces_text, ' ', PADDING_SPACES+LINE_START );
psz_spaces_text[PADDING_SPACES+LINE_START] = '\0';
memset( psz_spaces_longtext, ' ', LINE_START+2 );
psz_spaces_longtext[LINE_START+2] = '\0';
strcpy( psz_format, FORMAT_STRING );
if( b_color )
strcpy( psz_format, COLOR_FORMAT_STRING );
else
strcpy( psz_format, FORMAT_STRING );
/* List all modules */
p_list = vlc_list_find( p_this, VLC_OBJECT_MODULE, FIND_ANYWHERE );
......@@ -1361,7 +1377,13 @@ static void Usage( libvlc_int_t *p_this, char const *psz_module_name )
/* Print name of module */
if( strcmp( "main", p_parser->psz_object_name ) )
utf8_fprintf( stdout, "\n %s\n", p_parser->psz_longname );
{
if( b_color )
utf8_fprintf( stdout, "\n " GREEN "%s" GRAY "\n",
p_parser->psz_longname );
else
utf8_fprintf( stdout, "\n %s\n", p_parser->psz_longname );
}
b_help_module = !strcmp( "help", p_parser->psz_object_name );
......@@ -1392,18 +1414,41 @@ static void Usage( libvlc_int_t *p_this, char const *psz_module_name )
case CONFIG_HINT_CATEGORY:
case CONFIG_HINT_USAGE:
if( !strcmp( "main", p_parser->psz_object_name ) )
utf8_fprintf( stdout, "\n %s\n", p_item->psz_text );
{
if( b_color )
utf8_fprintf( stdout, GREEN "\n %s\n" GRAY,
p_item->psz_text );
else
utf8_fprintf( stdout, "\n %s\n", p_item->psz_text );
}
if( b_description && p_item->psz_longtext )
utf8_fprintf( stdout, " %s\n", p_item->psz_longtext );
{
if( b_color )
utf8_fprintf( stdout, CYAN " %s\n" GRAY,
p_item->psz_longtext );
else
utf8_fprintf( stdout, " %s\n", p_item->psz_longtext );
}
break;
case CONFIG_HINT_SUBCATEGORY:
if( strcmp( "main", p_parser->psz_object_name ) )
break;
case CONFIG_SECTION:
utf8_fprintf( stdout, " %s:\n", p_item->psz_text );
if( b_description && p_item->psz_longtext )
utf8_fprintf( stdout, " %s\n", p_item->psz_longtext );
if( b_color )
{
utf8_fprintf( stdout, RED" %s:\n"GRAY,
p_item->psz_text );
if( b_description && p_item->psz_longtext )
utf8_fprintf( stdout, MAGENTA" %s\n"GRAY,
p_item->psz_longtext );
}
else
{
utf8_fprintf( stdout, " %s:\n", p_item->psz_text );
if( b_description && p_item->psz_longtext )
utf8_fprintf( stdout, " %s\n", p_item->psz_longtext );
}
break;
case CONFIG_ITEM_STRING:
......@@ -1545,7 +1590,17 @@ static void Usage( libvlc_int_t *p_this, char const *psz_module_name )
/* If the remaining text fits in a line, print it. */
if( i_end <= i_cur_width )
{
utf8_fprintf( stdout, "%s\n", psz_text );
if( b_color )
{
if( !b_description || b_description_hack )
utf8_fprintf( stdout, BLUE"%s\n"GRAY, psz_text );
else
utf8_fprintf( stdout, "%s\n", psz_text );
}
else
{
utf8_fprintf( stdout, "%s\n", psz_text );
}
break;
}
......@@ -1560,7 +1615,7 @@ static void Usage( libvlc_int_t *p_this, char const *psz_module_name )
psz_parser = psz_parser ? psz_parser + 1
: psz_text + i_end;
} while( psz_parser - psz_text <= i_cur_width );
} while( (size_t)(psz_parser - psz_text) <= i_cur_width );
/* We cut a word in one of these cases:
* - it's the only word in the line and it's too long.
......@@ -1568,19 +1623,43 @@ static void Usage( libvlc_int_t *p_this, char const *psz_module_name )
* going to wrap is longer than 40% of the width, and even
* if the word would have fit in the next line. */
if( psz_word == psz_text
|| ( psz_word - psz_text < 80 * i_cur_width / 100
&& psz_parser - psz_word > 40 * i_cur_width / 100 ) )
|| ( (size_t)(psz_word - psz_text) < 80 * i_cur_width / 100
&& (size_t)(psz_parser - psz_word) > 40 * i_cur_width / 100 ) )
{
char c = psz_text[i_cur_width];
psz_text[i_cur_width] = '\0';
utf8_fprintf( stdout, "%s\n%s", psz_text, psz_spaces );
if( b_color )
{
if( !b_description || b_description_hack )
utf8_fprintf( stdout, BLUE"%s\n%s"GRAY,
psz_text, psz_spaces );
else
utf8_fprintf( stdout, "%s\n%s",
psz_text, psz_spaces );
}
else
{
utf8_fprintf( stdout, "%s\n%s", psz_text, psz_spaces );
}
psz_text += i_cur_width;
psz_text[0] = c;
}
else
{
psz_word[-1] = '\0';
utf8_fprintf( stdout, "%s\n%s", psz_text, psz_spaces );
if( b_color )
{
if( !b_description || b_description_hack )
utf8_fprintf( stdout, BLUE"%s\n%s"GRAY,
psz_text, psz_spaces );
else
utf8_fprintf( stdout, "%s\n%s",
psz_text, psz_spaces );
}
else
{
utf8_fprintf( stdout, "%s\n%s", psz_text, psz_spaces );
}
psz_text = psz_word;
}
}
......
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