source file of the GNU LilyPond music typesetter
- (c) 1998--2007 Jan Nieuwenhuizen <janneke@gnu.org>
+ (c) 1998--2008 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 "file-path.hh"
#include "relocate.hh"
#include "file-name.hh"
+#include "string-convert.hh"
+
+LY_DEFINE (ly_start_environment, "ly:start-environment",
+ 0, 0, 0, (),
+ "Return the environment (a list of strings) that was in"
+ " effect at program start.")
+{
+ SCM l = SCM_EOL;
+ SCM *tail = &l;
+
+ for (vsize i = 0; i < start_environment_global.size (); i++)
+ {
+ *tail = scm_cons (ly_string2scm (start_environment_global[i]),
+ SCM_EOL);
+ tail = SCM_CDRLOC(*tail);
+ }
+
+ return l;
+}
+
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.")
+ "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);
*/
LY_DEFINE (ly_gulp_file, "ly:gulp-file",
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. ")
+ "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);
}
LY_DEFINE (ly_error, "ly:error",
1, 0, 1, (SCM str, SCM rest),
- "Scheme callable function to issue the error @code{msg}. "
- "The error is formatted with @code{format} and @code{rest}.")
+ "A Scheme callable function to issue the error @var{str}."
+ " The error is formatted with @code{format} and @var{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;
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}.")
+ "A Scheme callable function to issue the message @var{str}."
+ " The message is formatted with @code{format} and @var{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;
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}.")
+ "A Scheme callable function to print progress @var{str}."
+ " The message is formatted with @code{format} and @var{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;
LY_DEFINE (ly_programming_error, "ly:programming-error",
1, 0, 1, (SCM str, SCM rest),
- "Scheme callable function to issue the warning @code{msg}. "
- "The message is formatted with @code{format} and @code{rest}.")
+ "A Scheme callable function to issue the internal warning"
+ " @var{str}. The message is formatted with @code{format}"
+ " and @var{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;
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}.")
+ "A 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;
LY_DEFINE (ly_dir_p, "ly:dir?",
1, 0, 0, (SCM s),
- "type predicate. A direction is @code{-1}, @code{0} or "
- "@code{1}, where @code{-1} represents "
- "left or down and @code{1} represents right or up.")
+ "A type predicate. The direction@tie{}@code{s} is @code{-1},"
+ " @code{0} or@tie{}@code{1}, where @code{-1} represents"
+ " left or down and @code{1} represents right or up.")
{
if (scm_is_number (s))
{
LY_DEFINE (ly_assoc_get, "ly:assoc-get",
2, 1, 0,
(SCM key, SCM alist, SCM default_value),
- "Return value if KEY in ALIST, else DEFAULT-VALUE "
- "(or #f if not specified).")
+ "Return value if @var{key} in @var{alist}, else @code{default-value}"
+ " (or @code{#f} if not specified).")
{
+ LY_ASSERT_TYPE(ly_cheap_is_list, alist, 2);
+
SCM handle = scm_assoc (key, alist);
if (scm_is_pair (handle))
return scm_cdr (handle);
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}.")
+ "Replace string@tie{}@var{a} by string@tie{}@var{b} in"
+ " string@tie{}@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");
+ 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)));
+ replace_all (&ss, ly_scm2string (a),
+ ly_scm2string (b));
+
return ly_string2scm (ss);
}
-LY_DEFINE (ly_number2string, "ly:number->string",
+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.
}
LY_DEFINE (ly_version, "ly:version", 0, 0, 0, (),
- "Return the current lilypond version as a list, e.g. @code{(1 3 127 uu1)}. ")
+ "Return the current lilypond version as a list, e.g.,"
+ " @code{(1 3 127 uu1)}.")
{
char const *vs = "\'(" MAJOR_VERSION " " MINOR_VERSION " " PATCH_LEVEL " " MY_PATCH_LEVEL ")";
}
LY_DEFINE (ly_dimension_p, "ly:dimension?", 1, 0, 0, (SCM d),
- "Return @var{d} is a number. Used to distinguish length "
- "variables from normal numbers.")
+ "Return @var{d} as a number. Used to distinguish length"
+ " variables from normal numbers.")
{
return scm_number_p (d);
}
}
LY_DEFINE (ly_gettext, "ly:gettext",
- 1, 0, 0, (SCM string),
- "Gettext wrapper.")
+ 1, 0, 0, (SCM original),
+ "A Scheme wrapper function for @code{gettext}.")
{
- SCM_ASSERT_TYPE (scm_is_string (string), string, SCM_ARG1,
- __FUNCTION__, "string");
- 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 ly_string2scm (output_backend_global);
+ LY_ASSERT_TYPE (scm_is_string, original, 1);
+ return ly_string2scm (_ (ly_scm2string (original).c_str ()));
}
LY_DEFINE (ly_output_formats, "ly:output-formats",
0, 0, 0, (),
- "Formats passed to --format as a list of strings, "
- "used for the output.")
+ "Formats passed to @option{--format} as a list of strings,"
+ " used for the output.")
{
vector<string> output_formats = string_split (output_format_global, ',');
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")
+ "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;
0, 0, 0, (),
"Return effective prefix.")
{
- return ly_string2scm (prefix_directory);
+ return ly_string2scm (lilypond_datadir);
}
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.")
+ "Return value for @var{key} from a list of alists @var{achain}."
+ " If no entry is found, return @var{dfault} or @code{#f} if no"
+ " @var{dfault} is specified.")
{
if (scm_is_pair (achain))
{
LY_DEFINE (ly_stderr_redirect, "ly:stderr-redirect",
1, 1, 0, (SCM file_name, SCM mode),
- "Redirect stderr to FILE-NAME, opened with MODE.")
+ "Redirect stderr to @var{file-name}, opened with @var{mode}.")
{
- SCM_ASSERT_TYPE (scm_is_string (file_name), file_name, SCM_ARG1,
- __FUNCTION__, "file_name");
+ LY_ASSERT_TYPE (scm_is_string, file_name, 1);
string m = "w";
if (mode != SCM_UNDEFINED && scm_string_p (mode))
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}")
+ "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",
+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.")
+ "Convert @code{FooBar_Bla} to @code{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?
LY_DEFINE (ly_expand_environment, "ly:expand-environment",
1, 0, 0, (SCM str),
- "Expand $VAR and $@{VAR@} in @var{str}.")
+ "Expand @code{$VAR} and @code{$@{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)));
}
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}")
+ "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 @code{~a} and @code{~[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 == 'A' || spec == 'f' || spec == '$')
+ 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