-/*
- scm-option.cc -- implement option setting from Scheme
-
+/*
+ program-option.cc -- program options, non-scheme.
+
source file of the GNU LilyPond music typesetter
-
- (c) 2001--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-*/
-
-#include "program-option.hh"
-
-#include <cstdio>
-#include <string.h>
-
-#include "string-convert.hh"
-#include "protected-scm.hh"
-#include "parse-scm.hh"
-#include "warn.hh"
-#include "main.hh"
-
-
-/* Write midi as formatted ascii stream? */
-bool do_midi_debugging_global;
-
-/*
- Backwards compatibility.
-*/
-bool lily_1_8_relative = false;
-bool lily_1_8_compatibility_used = false;
-
-/*
- crash if internally the wrong type is used for a grob property.
-*/
-bool do_internal_type_checking_global;
-
-
-static Lilypond_option_init options[] = {
- {"point-and-click", "#t",
- "use point & click"},
- {"midi-debug", "#f",
- "generate human readable MIDI",},
- {"internal-type-checking", "#f",
- "check every property assignment for types"},
- {"parse-protect", "#t",
- "continue when finding errors in inline\n"
- "scheme are caught in the parser. If off, halt \n"
- "on errors, and print a stack trace."},
- {"old-relative", "#f",
- "relative for simultaneous music works\n"
- "similar to chord syntax"},
- {"resolution", "90",
- "resolution for generating bitmaps"},
- {"preview-include-book-title", "#t",
- "include book-titles in preview images."},
- {"gs-font-load", "#f",
- "load fonts via Ghostscript."},
- {"delete-intermediate-files", "#f",
- "delete unusable PostScript files"},
- {"ttf-verbosity", "0",
- "how much verbosity for TTF font embedding?"},
- {0,0,0},
-};
-
-Protected_scm option_hash_;
-
-void internal_set_option (SCM var, SCM val)
-{
- scm_hashq_set_x (option_hash_, var, val);
- if (var == ly_symbol2scm ("midi-debug"))
- {
- do_midi_debugging_global = to_boolean (val);
- val = scm_from_bool (to_boolean (val));
- }
- else if (var == ly_symbol2scm ("point-and-click"))
- {
- point_and_click_global = to_boolean (val);
- val = scm_from_bool (to_boolean (val));
- }
- else if (var == ly_symbol2scm ("parse-protect"))
- {
- parse_protect_global = to_boolean (val);
- val = scm_from_bool (to_boolean (val));
- }
- else if (var == ly_symbol2scm ("internal-type-checking"))
- {
- do_internal_type_checking_global = to_boolean (val);
- val = scm_from_bool (to_boolean (val));
- }
- else if (var == ly_symbol2scm ("old-relative"))
- {
- lily_1_8_relative = to_boolean (val);
- /* Needs to be reset for each file that uses this option. */
- lily_1_8_compatibility_used = to_boolean (val);
- val = scm_from_bool (to_boolean (val));
- }
-}
-
-const int HELP_INDENT = 30;
-const int INDENT = 2;
-const int SEPARATION = 5;
-
-static String
-get_help_string ()
-{
- String help ("Options supported by ly:set-option\n\n");
- for (Lilypond_option_init *p = options; p->name_; p ++)
- {
- String opt_spec =
- String_convert::char_string (' ', INDENT)
- + String (p->name_)
- + " ("
- + String (p->init_)
- + ")";
-
-
- if (opt_spec.length () + SEPARATION > HELP_INDENT)
- {
- opt_spec += "\n"
- + String_convert::char_string (' ', HELP_INDENT);
- }
- else
- opt_spec += String_convert::char_string (' ', HELP_INDENT - opt_spec.length ());
-
- String opt_help = p->descr_;
- opt_help.substitute (String ("\n"),
- String ("\n")
- + String_convert::char_string (' ', HELP_INDENT));
-
- help += opt_spec + opt_help + "\n";
- }
+ (c) 2007--2008 Han-Wen Nienhuys <hanwen@lilypond.org>
- help += String ("\n");
- return help;
-}
-
-static void
-init_program_options ()
-{
- option_hash_ = scm_c_make_hash_table (11);
-
- for (Lilypond_option_init *p = options; p->name_; p ++)
- {
- SCM sym = ly_symbol2scm (p->name_);
- SCM val = scm_c_eval_string (p->init_);
-
- internal_set_option (sym, val);
- }
-
- String help = get_help_string ();
-
-
-
- internal_set_option (ly_symbol2scm ("help"),
- scm_makfrom0str (help.to_str0 ()));
-}
-
-ADD_SCM_INIT_FUNC(scm_option, init_program_options);
-
-
-/*
- This interface to option setting is meant for setting options are
- useful to a limited audience. The reason for this interface is that
- making command line options clutters up the command-line option name
- space.
-
*/
-Protected_scm command_line_settings = SCM_EOL;
+#include "program-option.hh"
-LY_DEFINE (ly_option_usage, "ly:option-usage", 0, 0, 0, (),
- "Print ly:set-option usage")
+string
+get_output_backend_name ()
{
- SCM stdout = scm_current_output_port();
- scm_display (ly_get_option (ly_symbol2scm ("help")), stdout);
- exit (0);
- return SCM_UNSPECIFIED;
+ return ly_symbol2string (ly_get_option (ly_symbol2scm ("backend")));
}
-LY_DEFINE (ly_set_option, "ly:set-option", 1, 1, 0, (SCM var, SCM val),
- "Set a program option. Try setting 'help for a help string.")
+bool
+get_program_option (const char *s)
{
- SCM_ASSERT_TYPE (scm_is_symbol (var), var, SCM_ARG1,
- __FUNCTION__, "symbol");
+ SCM sym = ly_symbol2scm (s);
- if (ly_symbol2scm ("help") == var)
- {
- ly_option_usage ();
- }
-
- if (val == SCM_UNDEFINED)
- val = SCM_BOOL_T;
-
- String varstr = ly_scm2string (scm_symbol_to_string (var));
- if (varstr.left_string (3) == String ("no-"))
- {
- var = ly_symbol2scm (varstr.nomid_string (0, 3).to_str0 ());
- val = scm_from_bool (!to_boolean (val));
- }
-
- SCM handle = scm_hashq_get_handle (option_hash_, var);
- if (handle == SCM_BOOL_F)
- {
- warning (_f ("no such internal option: %s", varstr.to_str0 ()));
- }
-
- internal_set_option (var, val);
- return SCM_UNSPECIFIED;
+ return to_boolean (ly_get_option (sym));
}
-LY_DEFINE (ly_get_option, "ly:get-option", 1, 0, 0, (SCM var),
- "Get a global option setting.")
-{
- SCM_ASSERT_TYPE (scm_is_symbol (var), var,
- SCM_ARG1, __FUNCTION__, "symbol");
- return scm_hashq_ref (option_hash_, var, SCM_BOOL_F);
-}
projects / lilypond.git / blobdiff