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 "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),
"Return the absolute file name of @var{name}, "
"or @code{#f} if not found.")
{
- SCM_ASSERT_TYPE (scm_is_string (name), name, SCM_ARG1, __FUNCTION__, "string");
+ LY_ASSERT_TYPE (scm_is_string, name, 1);
string nm = ly_scm2string (name);
string file_name = global_path.find (nm);
"Read the file @var{name}, and return its contents in a string. "
"The file is looked up using the search path. ")
{
- SCM_ASSERT_TYPE (scm_is_string (name), name, SCM_ARG1, __FUNCTION__, "string");
+ LY_ASSERT_TYPE (scm_is_string, name, 1);
int sz = INT_MAX;
if (size != SCM_UNDEFINED)
{
- SCM_ASSERT_TYPE (scm_is_number (size), size, SCM_ARG2, __FUNCTION__, "number");
+ LY_ASSERT_TYPE (scm_is_number, size, 2);
sz = scm_to_int (size);
}
"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");
+ LY_ASSERT_TYPE (scm_is_string, str, 1);
str = scm_simple_format (SCM_BOOL_F, str, rest);
error (ly_scm2string (str));
return SCM_UNSPECIFIED;
"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");
+ LY_ASSERT_TYPE (scm_is_string, str, 1);
str = scm_simple_format (SCM_BOOL_F, str, rest);
message (ly_scm2string (str));
return SCM_UNSPECIFIED;
"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");
+ LY_ASSERT_TYPE (scm_is_string, str, 1);
str = scm_simple_format (SCM_BOOL_F, str, rest);
progress_indication (ly_scm2string (str));
return SCM_UNSPECIFIED;
"Scheme callable function to issue the warning @code{msg}. "
"The message is formatted with @code{format} and @code{rest}.")
{
- SCM_ASSERT_TYPE (scm_is_string (str), str, SCM_ARG1, __FUNCTION__, "string");
+ LY_ASSERT_TYPE (scm_is_string, str, 1);
str = scm_simple_format (SCM_BOOL_F, str, rest);
programming_error (ly_scm2string (str));
return SCM_UNSPECIFIED;
"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");
+ LY_ASSERT_TYPE (scm_is_string, str, 1);
str = scm_simple_format (SCM_BOOL_F, str, rest);
warning (ly_scm2string (str));
return SCM_UNSPECIFIED;
return default_value;
}
-LY_DEFINE (ly_number2string, "ly:number->string",
+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}.")
+{
+ LY_ASSERT_TYPE (scm_is_string, s, 1);
+ LY_ASSERT_TYPE (scm_is_string, b, 2);
+ LY_ASSERT_TYPE (scm_is_string, s, 3);
+
+ 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_number_2_string, "ly:number->string",
1, 0, 0, (SCM s),
"Convert @var{num} to a string without generating many decimals.")
{
- SCM_ASSERT_TYPE (scm_is_number (s), s, SCM_ARG1, __FUNCTION__, "number");
+ LY_ASSERT_TYPE (scm_is_number, s, 1);
char str[400]; // ugh.
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)));
1, 0, 0, (SCM string),
"Gettext wrapper.")
{
- SCM_ASSERT_TYPE (scm_is_string (string), string, SCM_ARG1,
- __FUNCTION__, "string");
+ LY_ASSERT_TYPE (scm_is_string, string, 1);
return ly_string2scm (_ (scm_i_string_chars (string)));
}
return lst;
}
-LY_DEFINE (ly_wchar_to_utf_8, "ly:wide-char->utf-8",
+LY_DEFINE (ly_wide_char_2_utf_8, "ly:wide-char->utf-8",
1, 0, 0, (SCM wc),
"Encode the Unicode codepoint @var{wc}, an integer, as UTF-8")
{
char buf[5];
- SCM_ASSERT_TYPE (scm_is_integer (wc), wc, SCM_ARG1, __FUNCTION__, "integer");
+ LY_ASSERT_TYPE (scm_is_integer, wc, 1);
unsigned wide_char = (unsigned) scm_to_int (wc);
char *p = buf;
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");
- char const *m = "w";
+ LY_ASSERT_TYPE (scm_is_string, file_name, 1);
+
+ 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. */
fflush (stderr);
- freopen (ly_scm2newstr (file_name, 0), m, stderr);
+ freopen (ly_scm2string (file_name).c_str (), m.c_str (), stderr);
return SCM_UNSPECIFIED;
}
return scm_cons (key, result);
}
-LY_DEFINE(ly_hash_table_keys, "ly:hash-table-keys",
+LY_DEFINE (ly_hash_table_keys, "ly:hash-table-keys",
1,0,0, (SCM tab),
"return a list of keys in @var{tab}")
{
NULL, SCM_EOL, tab);
}
-LY_DEFINE (ly_camel_case_to_lisp_identifier, "ly:camel-case->lisp-identifier",
+LY_DEFINE (ly_camel_case_2_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");
+ LY_ASSERT_TYPE (ly_is_symbol, name_sym, 1);
/*
TODO: should use strings instead?
1, 0, 0, (SCM str),
"Expand $VAR and $@{VAR@} in @var{str}.")
{
- SCM_ASSERT_TYPE(scm_is_string (str), str,
- SCM_ARG1, __FUNCTION__, "string");
+ LY_ASSERT_TYPE (scm_is_string, str, 1);
return ly_string2scm (expand_environment_variables (ly_scm2string (str)));
}
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");
+ LY_ASSERT_TYPE (scm_is_integer, i, 1);
int k = scm_to_int (i);
if (k == 0)
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.")
+{
+ LY_ASSERT_TYPE (scm_is_string, str, 1);
+
+ 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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