source file of the GNU LilyPond music typesetter
- (c) 1998--2006 Jan Nieuwenhuizen <janneke@gnu.org>
+ (c) 1998--2007 Jan Nieuwenhuizen <janneke@gnu.org>
Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
#include "config.hh"
#include <cstdio>
+#include <ctype.h>
#include <cstring> /* memset */
using namespace std;
#include "dimensions.hh"
#include "main.hh"
#include "file-path.hh"
+#include "relocate.hh"
+#include "file-name.hh"
+#include "string-convert.hh"
LY_DEFINE (ly_find_file, "ly:find-file",
1, 0, 0, (SCM name),
if (file_name.empty ())
return SCM_BOOL_F;
- return scm_makfrom0str (file_name.c_str ());
+ return ly_string2scm (file_name);
}
/*
"(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);
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.")
r = 0.0;
}
- snprintf (str, sizeof (str), "%08.4f", r);
+ snprintf (str, sizeof (str), "%.4f", r);
}
else
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)).c_str ());
+ 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.c_str ());
+ return ly_string2scm (output_backend_global);
}
LY_DEFINE (ly_output_formats, "ly:output-formats",
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].c_str ()), lst);
+ lst = scm_cons (ly_string2scm (output_formats[i]), lst);
return lst;
}
}
*p = 0;
- return scm_makfrom0str (buf);
+ return scm_from_locale_string (buf);
}
LY_DEFINE (ly_effective_prefix, "ly:effective-prefix",
0, 0, 0, (),
"Return effective prefix.")
{
- return scm_makfrom0str (prefix_directory.c_str ());
+ return ly_string2scm (prefix_directory);
}
LY_DEFINE (ly_chain_assoc_get, "ly:chain-assoc-get",
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_string_p (file_name), file_name, SCM_ARG1,
+ SCM_ASSERT_TYPE (scm_is_string (file_name), file_name, SCM_ARG1,
__FUNCTION__, "file_name");
- char const *m = "w";
+
+ string m = "w";
if (mode != SCM_UNDEFINED && scm_string_p (mode))
- m = ly_scm2newstr (mode, 0);
+ m = ly_scm2string (mode);
/* dup2 and (fileno (current-error-port)) do not work with mingw'c
gcc -mwindows. */
- freopen (ly_scm2newstr (file_name, 0), m, stderr);
+ fflush (stderr);
+ freopen (ly_scm2string (file_name).c_str (), m.c_str (), stderr);
return SCM_UNSPECIFIED;
}
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 "";
+}
+
+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);
+}
projects / lilypond.git / blobdiff