source file of the GNU LilyPond music typesetter
- (c) 1998--2005 Jan Nieuwenhuizen <janneke@gnu.org>
- Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1998--2007 Jan Nieuwenhuizen <janneke@gnu.org>
+ Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
#include "config.hh"
-#include <libintl.h> /* gettext on MacOS X */
-#include <math.h> /* isinf */
-#include <stdio.h>
-#include <string.h> /* memset */
-#include <wchar.h> /* wcrtomb */
+#include <cstdio>
+#include <ctype.h>
+#include <cstring> /* memset */
+using namespace std;
+#include "international.hh"
#include "libc-extension.hh"
#include "lily-guile.hh"
-#include "string.hh"
#include "misc.hh"
#include "warn.hh"
#include "version.hh"
#include "dimensions.hh"
#include "main.hh"
#include "file-path.hh"
-
-/* MacOS S fix:
- source-file.hh includes cmath which undefines isinf and isnan
-*/
-#ifdef __APPLE__
-inline int my_isinf (Real r) { return isinf (r); }
-inline int my_isnan (Real r) { return isnan (r); }
-#endif
+#include "relocate.hh"
+#include "file-name.hh"
+#include "string-convert.hh"
LY_DEFINE (ly_find_file, "ly:find-file",
1, 0, 0, (SCM name),
{
SCM_ASSERT_TYPE (scm_is_string (name), name, SCM_ARG1, __FUNCTION__, "string");
- String nm = ly_scm2string (name);
- String file_name = global_path.find (nm);
- if (file_name.is_empty ())
+ string nm = ly_scm2string (name);
+ string file_name = global_path.find (nm);
+ if (file_name.empty ())
return SCM_BOOL_F;
- return scm_makfrom0str (file_name.to_str0 ());
+ return ly_string2scm (file_name);
}
/*
buffering.)
*/
LY_DEFINE (ly_gulp_file, "ly:gulp-file",
- 1, 0, 0, (SCM name),
+ 1, 1, 0, (SCM name, SCM size),
"Read the file @var{name}, and return its contents in a string. "
- "The file is looked up using the search path.")
+ "The file is looked up using the search path. ")
{
SCM_ASSERT_TYPE (scm_is_string (name), name, SCM_ARG1, __FUNCTION__, "string");
- String contents = gulp_file_to_string (ly_scm2string (name), true);
- return scm_from_locale_stringn (contents.get_str0 (), contents.length ());
+ int sz = INT_MAX;
+ if (size != SCM_UNDEFINED)
+ {
+ SCM_ASSERT_TYPE (scm_is_number (size), size, SCM_ARG2, __FUNCTION__, "number");
+ sz = scm_to_int (size);
+ }
+
+ string contents = gulp_file_to_string (ly_scm2string (name), true, sz);
+ return scm_from_locale_stringn (contents.c_str (), contents.length ());
}
-LY_DEFINE (ly_warn, "ly:warn",
+LY_DEFINE (ly_error, "ly:error",
1, 0, 1, (SCM str, SCM rest),
- "Scheme callable function to issue the warning @code{msg}. "
+ "Scheme callable function to issue the error @code{msg}. "
+ "The error is formatted with @code{format} and @code{rest}.")
+{
+ SCM_ASSERT_TYPE (scm_is_string (str), str, SCM_ARG1, __FUNCTION__, "string");
+ str = scm_simple_format (SCM_BOOL_F, str, rest);
+ error (ly_scm2string (str));
+ return SCM_UNSPECIFIED;
+}
+
+LY_DEFINE (ly_message, "ly:message",
+ 1, 0, 1, (SCM str, SCM rest),
+ "Scheme callable function to issue the message @code{msg}. "
"The message is formatted with @code{format} and @code{rest}.")
{
SCM_ASSERT_TYPE (scm_is_string (str), str, SCM_ARG1, __FUNCTION__, "string");
- progress_indication ("\n");
+ str = scm_simple_format (SCM_BOOL_F, str, rest);
+ message (ly_scm2string (str));
+ return SCM_UNSPECIFIED;
+}
+LY_DEFINE (ly_progress, "ly:progress",
+ 1, 0, 1, (SCM str, SCM rest),
+ "Scheme callable function to print progress @code{str}. "
+ "The message is formatted with @code{format} and @code{rest}.")
+{
+ SCM_ASSERT_TYPE (scm_is_string (str), str, SCM_ARG1, __FUNCTION__, "string");
str = scm_simple_format (SCM_BOOL_F, str, rest);
- warning (ly_scm2string (str));
+ progress_indication (ly_scm2string (str));
return SCM_UNSPECIFIED;
}
"The message is formatted with @code{format} and @code{rest}.")
{
SCM_ASSERT_TYPE (scm_is_string (str), str, SCM_ARG1, __FUNCTION__, "string");
- progress_indication ("\n");
-
str = scm_simple_format (SCM_BOOL_F, str, rest);
programming_error (ly_scm2string (str));
return SCM_UNSPECIFIED;
}
+LY_DEFINE (ly_warning, "ly:warning",
+ 1, 0, 1, (SCM str, SCM rest),
+ "Scheme callable function to issue the warning @code{str}. "
+ "The message is formatted with @code{format} and @code{rest}.")
+{
+ SCM_ASSERT_TYPE (scm_is_string (str), str, SCM_ARG1, __FUNCTION__, "string");
+ str = scm_simple_format (SCM_BOOL_F, str, rest);
+ warning (ly_scm2string (str));
+ return SCM_UNSPECIFIED;
+}
+
LY_DEFINE (ly_dir_p, "ly:dir?",
1, 0, 0, (SCM s),
"type predicate. A direction is @code{-1}, @code{0} or "
if (scm_is_number (s))
{
int i = scm_to_int (s);
- return (i>= -1 && i <= 1) ? SCM_BOOL_T : SCM_BOOL_F;
+ return (i >= -1 && i <= 1) ? SCM_BOOL_T : SCM_BOOL_F;
}
return SCM_BOOL_F;
}
"(or #f if not specified).")
{
SCM handle = scm_assoc (key, alist);
-
+ if (scm_is_pair (handle))
+ return scm_cdr (handle);
+
if (default_value == SCM_UNDEFINED)
default_value = SCM_BOOL_F;
- if (scm_is_pair (handle))
- return scm_cdr (handle);
- else
- return default_value;
+ return default_value;
}
+LY_DEFINE (ly_string_substitute, "ly:string-substitute",
+ 3, 0, 0, (SCM a, SCM b, SCM s),
+ "Replace @var{a} by @var{b} in @var{s}.")
+{
+ SCM_ASSERT_TYPE (scm_is_string (a), s, SCM_ARG1, __FUNCTION__, "string");
+ SCM_ASSERT_TYPE (scm_is_string (b), s, SCM_ARG2, __FUNCTION__, "string");
+ SCM_ASSERT_TYPE (scm_is_string (s), s, SCM_ARG3, __FUNCTION__, "string");
+
+ string ss = ly_scm2string (s);
+ replace_all (ss, string (scm_i_string_chars (a)),
+ string (scm_i_string_chars (b)));
+ return ly_string2scm (ss);
+}
+
LY_DEFINE (ly_number2string, "ly:number->string",
1, 0, 0, (SCM s),
"Convert @var{num} to a string without generating many decimals.")
if (scm_exact_p (s) == SCM_BOOL_F)
{
Real r (scm_to_double (s));
-#ifdef __APPLE__
- if (my_isinf (r) || my_isnan (r))
-#else
if (isinf (r) || isnan (r))
-#endif
{
- programming_error ("Infinity or NaN encountered while converting Real number; setting to zero.");
+ programming_error (_ ("infinity or NaN encountered while converting Real number"));
+ programming_error (_ ("setting to zero"));
+
r = 0.0;
}
- snprintf (str, sizeof (str), "%08.4f", r);
+ snprintf (str, sizeof (str), "%.4f", r);
}
else
- snprintf (str, sizeof (str), "%d", scm_to_int (s));
+ snprintf (str, sizeof (str), "%d", int (scm_to_int (s)));
- return scm_makfrom0str (str);
+ return scm_from_locale_string (str);
}
LY_DEFINE (ly_version, "ly:version", 0, 0, 0, (),
LY_DEFINE (ly_unit, "ly:unit", 0, 0, 0, (),
"Return the unit used for lengths as a string.")
{
- return scm_makfrom0str (INTERNAL_UNIT);
+ return scm_from_locale_string (INTERNAL_UNIT);
}
LY_DEFINE (ly_dimension_p, "ly:dimension?", 1, 0, 0, (SCM d),
{
SCM_ASSERT_TYPE (scm_is_string (string), string, SCM_ARG1,
__FUNCTION__, "string");
- return scm_makfrom0str (_ (scm_i_string_chars (string)).to_str0 ());
+ return ly_string2scm (_ (scm_i_string_chars (string)));
}
LY_DEFINE (ly_output_backend, "ly:output-backend",
0, 0, 0, (),
"Return name of output backend.")
{
- return scm_makfrom0str (output_backend_global.to_str0 ());
+ return ly_string2scm (output_backend_global);
}
LY_DEFINE (ly_output_formats, "ly:output-formats",
"Formats passed to --format as a list of strings, "
"used for the output.")
{
- Array<String> output_formats = split_string (output_format_global, ',');
+ vector<string> output_formats = string_split (output_format_global, ',');
SCM lst = SCM_EOL;
int output_formats_count = output_formats.size ();
- for (int i = 0; i < output_formats_count; i ++)
- lst = scm_cons (scm_makfrom0str (output_formats[i].to_str0 ()), lst);
+ for (int i = 0; i < output_formats_count; i++)
+ lst = scm_cons (ly_string2scm (output_formats[i]), lst);
return lst;
}
LY_DEFINE (ly_wchar_to_utf_8, "ly:wide-char->utf-8",
1, 0, 0, (SCM wc),
- "Encode the Unicode codepoint @var{wc} as UTF-8")
+ "Encode the Unicode codepoint @var{wc}, an integer, as UTF-8")
{
- char buf[100];
+ char buf[5];
SCM_ASSERT_TYPE (scm_is_integer (wc), wc, SCM_ARG1, __FUNCTION__, "integer");
- wchar_t wide_char = (wchar_t) scm_to_int (wc);
+ unsigned wide_char = (unsigned) scm_to_int (wc);
+ char *p = buf;
- mbstate_t state;
- memset (&state, '\0', sizeof (state));
- memset (buf, '\0', sizeof (buf));
+ if (wide_char < 0x0080)
+ *p++ = (char)wide_char;
+ else if (wide_char < 0x0800)
+ {
+ *p++ = (char) (((wide_char >> 6)) | 0xC0);
+ *p++ = (char) (((wide_char) & 0x3F) | 0x80);
+ }
+ else if (wide_char < 0x10000)
+ {
+ *p++ = (char) (((wide_char >> 12)) | 0xE0);
+ *p++ = (char) (((wide_char >> 6) & 0x3F) | 0x80);
+ *p++ = (char) (((wide_char) & 0x3F) | 0x80);
+ }
+ else
+ {
+ *p++ = (char) (((wide_char >> 18)) | 0xF0);
+ *p++ = (char) (((wide_char >> 12) & 0x3F) | 0x80);
+ *p++ = (char) (((wide_char >> 6) & 0x3F) | 0x80);
+ *p++ = (char) (((wide_char) & 0x3F) | 0x80);
+ }
+ *p = 0;
- wcrtomb (buf, wide_char, &state);
+ return scm_from_locale_string (buf);
+}
+
+LY_DEFINE (ly_effective_prefix, "ly:effective-prefix",
+ 0, 0, 0, (),
+ "Return effective prefix.")
+{
+ return ly_string2scm (prefix_directory);
+}
+
+LY_DEFINE (ly_chain_assoc_get, "ly:chain-assoc-get",
+ 2, 1, 0, (SCM key, SCM achain, SCM dfault),
+ "Return value for @var{key} from a list of alists @var{achain}. "
+ "If no if no entry is found, return DFAULT, "
+ "or #f if no DFAULT not specified.")
+{
+ if (scm_is_pair (achain))
+ {
+ SCM handle = scm_assoc (key, scm_car (achain));
+ if (scm_is_pair (handle))
+ return scm_cdr (handle);
+ else
+ return ly_chain_assoc_get (key, scm_cdr (achain), dfault);
+ }
+ return dfault == SCM_UNDEFINED ? SCM_BOOL_F : dfault;
+}
+
+
+LY_DEFINE (ly_stderr_redirect, "ly:stderr-redirect",
+ 1, 1, 0, (SCM file_name, SCM mode),
+ "Redirect stderr to FILE-NAME, opened with MODE.")
+{
+ SCM_ASSERT_TYPE (scm_is_string (file_name), file_name, SCM_ARG1,
+ __FUNCTION__, "file_name");
+
+ string m = "w";
+ if (mode != SCM_UNDEFINED && scm_string_p (mode))
+ m = ly_scm2string (mode);
+ /* dup2 and (fileno (current-error-port)) do not work with mingw'c
+ gcc -mwindows. */
+ fflush (stderr);
+ freopen (ly_scm2string (file_name).c_str (), m.c_str (), stderr);
+ return SCM_UNSPECIFIED;
+}
+
+static SCM
+accumulate_symbol (void *closure, SCM key, SCM val, SCM result)
+{
+ (void) closure;
+ (void) val;
+ return scm_cons (key, result);
+}
+
+LY_DEFINE(ly_hash_table_keys, "ly:hash-table-keys",
+ 1,0,0, (SCM tab),
+ "return a list of keys in @var{tab}")
+{
+ return scm_internal_hash_fold ((Hash_closure_function) & accumulate_symbol,
+ NULL, SCM_EOL, tab);
+}
+
+LY_DEFINE (ly_camel_case_to_lisp_identifier, "ly:camel-case->lisp-identifier",
+ 1, 0, 0, (SCM name_sym),
+ "Convert FooBar_Bla to foo-bar-bla style symbol.")
+{
+ SCM_ASSERT_TYPE(scm_is_symbol (name_sym), name_sym,
+ SCM_ARG1, __FUNCTION__, "symbol");
+
+ /*
+ TODO: should use strings instead?
+ */
+
+ const string in = ly_symbol2string (name_sym);
+ string result = camel_case_to_lisp_identifier (in);
+
+ return ly_symbol2scm (result.c_str ());
+}
+
+LY_DEFINE (ly_expand_environment, "ly:expand-environment",
+ 1, 0, 0, (SCM str),
+ "Expand $VAR and $@{VAR@} in @var{str}.")
+{
+ SCM_ASSERT_TYPE(scm_is_string (str), str,
+ SCM_ARG1, __FUNCTION__, "string");
+
+ return ly_string2scm (expand_environment_variables (ly_scm2string (str)));
+}
+
+
+LY_DEFINE (ly_truncate_list_x, "ly:truncate-list!",
+ 2, 0, 0, (SCM lst, SCM i),
+ "Take at most the first @var{i} of list @var{lst}")
+{
+ SCM_ASSERT_TYPE(scm_is_integer (i), i,
+ SCM_ARG1, __FUNCTION__, "integer");
+
+ int k = scm_to_int (i);
+ if (k == 0)
+ lst = SCM_EOL;
+ else
+ {
+ SCM s = lst;
+ k--;
+ for (; scm_is_pair (s) && k--; s = scm_cdr (s))
+ ;
+
+ if (scm_is_pair (s))
+ scm_set_cdr_x (s, SCM_EOL);
+ }
+ return lst;
+}
+
+string
+format_single_argument (SCM arg, int precision)
+{
+ if (scm_is_integer (arg) && scm_exact_p (arg) == SCM_BOOL_T)
+ return (String_convert::int_string (scm_to_int (arg)));
+ else if (scm_is_number (arg))
+ {
+ Real val = scm_to_double (arg);
+
+ if (isnan (val) || isinf (val))
+ {
+ warning (_ ("Found infinity or nan in output. Substituting 0.0"));
+ return ("0.0");
+ if (strict_infinity_checking)
+ abort();
+ }
+ else
+ return (String_convert::form_string ("%.*lf", precision, val));
+ }
+ else if (scm_is_string (arg))
+ return (ly_scm2string (arg));
+ else if (scm_is_symbol (arg))
+ return (ly_symbol2string (arg));
+ else
+ {
+ ly_progress (scm_from_locale_string ("Unsupported SCM value for format: ~a"),
+ scm_list_1 (arg));
+ }
- return scm_makfrom0str (buf);
+
+ return "";
}
+
+LY_DEFINE (ly_format, "ly:format",
+ 1, 0, 1, (SCM str, SCM rest),
+ "LilyPond specific format, supporting ~a ~[0-9]f.")
+{
+ SCM_ASSERT_TYPE (scm_is_string (str), str, SCM_ARG1, __FUNCTION__, "string");
+
+ string format = ly_scm2string (str);
+ vector<string> results;
+
+ vsize i = 0;
+ while (i < format.size())
+ {
+ vsize tilde = format.find ('~', i);
+
+ results.push_back (format.substr (i, (tilde-i)));
+
+ if (tilde == NPOS)
+ break ;
+
+ tilde ++;
+
+ char spec = format.at (tilde ++);
+ if (spec == '~')
+ results.push_back ("~");
+ else
+ {
+ if (!scm_is_pair (rest))
+ {
+ programming_error (string (__FUNCTION__)
+ + ": not enough arguments for format.");
+ return ly_string2scm ("");
+ }
+
+ SCM arg = scm_car (rest);
+ rest = scm_cdr (rest);
+
+ int precision = 8;
+ if (spec == '$')
+ precision = '2';
+ else if (isdigit (spec))
+ {
+ precision = spec - '0';
+ spec = format.at (tilde ++);
+ }
+
+ if (spec == 'a' || spec == 'f')
+ results.push_back (format_single_argument (arg, precision));
+ else if (spec == 'l')
+ {
+ SCM s = arg;
+ for (; scm_is_pair (s); s = scm_cdr (s))
+ {
+ results.push_back (format_single_argument (scm_car (s), precision));
+ if (scm_cdr (s) != SCM_EOL)
+ results.push_back (" ");
+ }
+
+ if (s != SCM_EOL)
+ results.push_back (format_single_argument (s, precision));
+
+ }
+ }
+
+ i = tilde;
+ }
+
+ if (scm_is_pair (rest))
+ programming_error (string (__FUNCTION__)
+ + ": too many arguments");
+
+ vsize len = 0;
+ for (vsize i = 0; i < results.size(); i++)
+ len += results[i].size();
+
+ char *result = (char*) scm_malloc (len + 1);
+ char *ptr = result;
+ for (vsize i = 0; i < results.size(); i++)
+ {
+ strncpy (ptr, results[i].c_str (), results[i].size());
+ ptr += results[i].size();
+ }
+ *ptr = '\0';
+
+ return scm_take_locale_stringn (result, len);
+}
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