X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fgeneral-scheme.cc;h=c52bc54ece2a7b7e9391d2357809a3fff536083c;hb=8568b93d6c2a74b97640f0997bd6b80d26195204;hp=58a608c6839a79973a8157abe71e1aac963a2df3;hpb=e24df7c27635dc996c466295eacf2981bddccaf7;p=lilypond.git diff --git a/lily/general-scheme.cc b/lily/general-scheme.cc index 58a608c683..c52bc54ece 100644 --- a/lily/general-scheme.cc +++ b/lily/general-scheme.cc @@ -3,58 +3,94 @@ source file of the GNU LilyPond music typesetter - (c) 1998--2005 Jan Nieuwenhuizen - Han-Wen Nienhuys + (c) 1998--2007 Jan Nieuwenhuizen + Han-Wen Nienhuys */ #include "config.hh" -#include /* isinf */ -#include -#include // gettext on macos x +#include +#include /* 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" +#include "relocate.hh" +#include "file-name.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 +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"); + string nm = ly_scm2string (name); + string file_name = global_path.find (nm); + if (file_name.empty ()) + return SCM_BOOL_F; + + return ly_string2scm (file_name); +} /* Ugh. Gulped file is copied twice. (maybe thrice if you count stdio 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; } @@ -64,23 +100,32 @@ LY_DEFINE (ly_programming_error, "ly:programming-error", "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 " + "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.") + "left or down and @code{1} represents right or up.") { 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; } @@ -92,17 +137,29 @@ LY_DEFINE (ly_assoc_get, "ly:assoc-get", "(or #f if not specified).") { SCM handle = scm_assoc (key, alist); - - if (default_value == SCM_UNDEFINED) - default_value = SCM_BOOL_F; - if (scm_is_pair (handle)) return scm_cdr (handle); - else - return default_value; -} + + if (default_value == SCM_UNDEFINED) + default_value = SCM_BOOL_F; + 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.") @@ -114,55 +171,49 @@ LY_DEFINE (ly_number2string, "ly:number->string", 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."); - r = 0.0; - } - - snprintf (str, sizeof (str), "%08.4f", r); + if (isinf (r) || isnan (r)) + { + programming_error (_ ("infinity or NaN encountered while converting Real number")); + programming_error (_ ("setting to zero")); + + r = 0.0; + } + + 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, (), - "Return the current lilypond version as a list, e.g. @code{(1 3 127 uu1)}. ") +LY_DEFINE (ly_version, "ly:version", 0, 0, 0, (), + "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 ")" ; - - return scm_c_eval_string ((char*)vs); + char const *vs = "\'(" MAJOR_VERSION " " MINOR_VERSION " " PATCH_LEVEL " " MY_PATCH_LEVEL ")"; + + return scm_c_eval_string ((char *)vs); } -LY_DEFINE (ly_unit, "ly:unit", 0, 0, 0, (), - "Return the unit used for lengths as a string.") +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), - "Return @var{d} is a number. Used to distinguish length " - "variables from normal numbers.") +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 scm_number_p (d); } /* Debugging mem leaks: - */ +*/ LY_DEFINE (ly_protects, "ly:protects", 0, 0, 0, (), - "Return hash of protected objects.") + "Return hash of protected objects.") { return scm_protects; } @@ -173,31 +224,172 @@ LY_DEFINE (ly_gettext, "ly:gettext", { SCM_ASSERT_TYPE (scm_is_string (string), string, SCM_ARG1, __FUNCTION__, "string"); - return scm_makfrom0str (gettext (scm_i_string_chars (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.") + 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", - 0, 0, 0, (), - "Formats passed to --format as a list of strings, " - "used for the output.") + 0, 0, 0, (), + "Formats passed to --format as a list of strings, " + "used for the output.") { - Array output_formats = split_string (output_format_global, ','); + vector 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}, an integer, as UTF-8") +{ + char buf[5]; + + SCM_ASSERT_TYPE (scm_is_integer (wc), wc, SCM_ARG1, __FUNCTION__, "integer"); + unsigned wide_char = (unsigned) scm_to_int (wc); + char *p = 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; + + 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; +} +