зеркало из https://github.com/github/ruby.git
Initial revision
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@2202 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu
Родитель
c4d80ad690
Коммит
5fab414c02
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|
@ -0,0 +1,3 @@
|
|||
MANIFEST
|
||||
extconf.rb
|
||||
iconv.c
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||||
|
|
@ -0,0 +1,8 @@
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|||
require 'mkmf'
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||||
|
||||
dir_config("iconv")
|
||||
|
||||
if have_header("iconv.h")
|
||||
have_library("iconv", "iconv")
|
||||
create_makefile("iconv")
|
||||
end
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||||
|
|
@ -0,0 +1,734 @@
|
|||
/* -*- mode:c; c-file-style:"ruby" -*- */
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||||
/**********************************************************************
|
||||
|
||||
iconv.c -
|
||||
|
||||
$Author$
|
||||
$Date$
|
||||
created at: Wed Dec 1 20:28:09 JST 1999
|
||||
|
||||
All the files in this distribution are covered under the Ruby's
|
||||
license (see the file COPYING).
|
||||
|
||||
**********************************************************************/
|
||||
|
||||
/*
|
||||
=begin
|
||||
= Summary
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||||
Ruby extension for codeset conversion.
|
||||
|
||||
= Abstract
|
||||
Iconv is a wrapper class for UNIX 95 (({iconv()})) function family, which
|
||||
translates string between various coding systems.
|
||||
|
||||
See ((<Open Group|URL:http://www.opengroup.org/>))'s on-line documents for more details.
|
||||
* ((<iconv.h|URL:http://www.opengroup.org/onlinepubs/007908799/xsh/iconv.h.html>))
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* ((<iconv_open()|URL:http://www.opengroup.org/onlinepubs/007908799/xsh/iconv_open.html>))
|
||||
* ((<iconv()|URL:http://www.opengroup.org/onlinepubs/007908799/xsh/iconv.html>))
|
||||
* ((<iconv_close()|URL:http://www.opengroup.org/onlinepubs/007908799/xsh/iconv_close.html>))
|
||||
|
||||
Which coding systems are available, it depends on the platform.
|
||||
|
||||
=end
|
||||
*/
|
||||
|
||||
#include <errno.h>
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||||
#include <iconv.h>
|
||||
#include <assert.h>
|
||||
#include "ruby.h"
|
||||
#include "intern.h"
|
||||
|
||||
/* Invalid value for iconv_t is -1 but 0 for VALUE, I hope VALUE is
|
||||
big enough to keep iconv_t */
|
||||
#define VALUE2ICONV(v) ((iconv_t)((VALUE)(v) ^ -1))
|
||||
#define ICONV2VALUE(c) ((VALUE)(c) ^ -1)
|
||||
|
||||
struct iconv_env_t
|
||||
{
|
||||
iconv_t cd;
|
||||
int argc;
|
||||
VALUE *argv;
|
||||
VALUE ret;
|
||||
};
|
||||
|
||||
static VALUE rb_eIconvFailure;
|
||||
static VALUE rb_eIconvIllegalSeq;
|
||||
static VALUE rb_eIconvInvalidChar;
|
||||
static VALUE rb_eIconvOutOfRange;
|
||||
static ID rb_inserter;
|
||||
|
||||
static ID rb_success, rb_failed, rb_mesg;
|
||||
static VALUE iconv_failure_initialize _((VALUE error, VALUE success, VALUE failed, struct iconv_env_t* env));
|
||||
static VALUE iconv_failure_success _((VALUE self));
|
||||
static VALUE iconv_failure_failed _((VALUE self));
|
||||
|
||||
static iconv_t iconv_create _((VALUE to, VALUE from));
|
||||
static VALUE iconv_free _((VALUE cd));
|
||||
static VALUE iconv_try _((iconv_t cd, const char **inptr, size_t *inlen, char **outptr, size_t *outlen));
|
||||
static VALUE rb_str_derive _((VALUE str, const char* ptr, int len));
|
||||
static VALUE iconv_convert _((iconv_t cd, VALUE str, int start, int length, struct iconv_env_t* env));
|
||||
static VALUE iconv_s_allocate _((VALUE klass));
|
||||
static VALUE iconv_initialize _((VALUE self, VALUE to, VALUE from));
|
||||
static VALUE iconv_s_open _((VALUE self, VALUE to, VALUE from));
|
||||
static VALUE iconv_s_convert _((struct iconv_env_t* env));
|
||||
static VALUE iconv_s_iconv _((int argc, VALUE *argv, VALUE self));
|
||||
static VALUE iconv_init_state _((VALUE cd));
|
||||
static VALUE iconv_finish _((VALUE self));
|
||||
static VALUE iconv_iconv _((int argc, VALUE *argv, VALUE self));
|
||||
|
||||
|
||||
/*
|
||||
=begin
|
||||
= Classes & Modules
|
||||
=end
|
||||
*/
|
||||
|
||||
/*
|
||||
=begin
|
||||
== Iconv
|
||||
=end
|
||||
*/
|
||||
static iconv_t
|
||||
iconv_create
|
||||
#ifdef HAVE_PROTOTYPES
|
||||
(VALUE to, VALUE from)
|
||||
#else /* HAVE_PROTOTYPES */
|
||||
(to, from)
|
||||
VALUE to;
|
||||
VALUE from;
|
||||
#endif /* HAVE_PROTOTYPES */
|
||||
{
|
||||
const char* tocode = StringValuePtr(to);
|
||||
const char* fromcode = StringValuePtr(from);
|
||||
|
||||
iconv_t cd = iconv_open(tocode, fromcode);
|
||||
|
||||
if (cd == (iconv_t)-1) {
|
||||
switch (errno) {
|
||||
case EMFILE:
|
||||
case ENFILE:
|
||||
case ENOMEM:
|
||||
rb_gc();
|
||||
cd = iconv_open(tocode, fromcode);
|
||||
}
|
||||
if (cd == (iconv_t)-1) {
|
||||
volatile VALUE msg = rb_str_new2("iconv(\"");
|
||||
rb_str_buf_cat2(rb_str_buf_append(msg, to), "\", \"");
|
||||
rb_str_buf_cat2(rb_str_buf_append(msg, from), "\")");
|
||||
rb_sys_fail(StringValuePtr(msg));
|
||||
}
|
||||
}
|
||||
|
||||
return cd;
|
||||
}
|
||||
|
||||
static VALUE
|
||||
iconv_free
|
||||
#ifdef HAVE_PROTOTYPES
|
||||
(VALUE cd)
|
||||
#else /* HAVE_PROTOTYPES */
|
||||
(cd)
|
||||
VALUE cd;
|
||||
#endif /* HAVE_PROTOTYPES */
|
||||
{
|
||||
if (cd && iconv_close(VALUE2ICONV(cd)) == -1)
|
||||
rb_sys_fail("iconv_close");
|
||||
return Qnil;
|
||||
}
|
||||
|
||||
#define ICONV_FREE (RUBY_DATA_FUNC)iconv_free
|
||||
|
||||
static VALUE
|
||||
iconv_try
|
||||
#ifdef HAVE_PROTOTYPES
|
||||
(iconv_t cd, const char **inptr, size_t *inlen, char **outptr, size_t *outlen)
|
||||
#else /* HAVE_PROTOTYPES */
|
||||
(cd, inptr, inlen, outptr, outlen)
|
||||
iconv_t cd;
|
||||
const char **inptr;
|
||||
size_t *inlen;
|
||||
char **outptr;
|
||||
size_t *outlen;
|
||||
#endif /* HAVE_PROTOTYPES */
|
||||
{
|
||||
if (iconv(cd, (char **)inptr, inlen, outptr, outlen) == (size_t)-1) {
|
||||
if (!*inlen)
|
||||
return Qfalse;
|
||||
switch (errno) {
|
||||
case E2BIG:
|
||||
/* try the left in next loop */
|
||||
break;
|
||||
case EILSEQ:
|
||||
return rb_obj_alloc(rb_eIconvIllegalSeq);
|
||||
case EINVAL:
|
||||
return rb_obj_alloc(rb_eIconvInvalidChar);
|
||||
default:
|
||||
rb_sys_fail("iconv");
|
||||
}
|
||||
}
|
||||
else if (*inlen > 0) {
|
||||
/* something goes wrong */
|
||||
return rb_obj_alloc(rb_eIconvIllegalSeq);
|
||||
}
|
||||
return Qfalse;
|
||||
}
|
||||
|
||||
#define iconv_fail(error, success, failed, env) \
|
||||
rb_exc_raise(iconv_failure_initialize(error, success, failed, env))
|
||||
|
||||
static VALUE
|
||||
iconv_failure_initialize
|
||||
#ifdef HAVE_PROTOTYPES
|
||||
(VALUE error, VALUE success, VALUE failed, struct iconv_env_t* env)
|
||||
#else /* HAVE_PROTOTYPES */
|
||||
(error, success, failed, env)
|
||||
VALUE error;
|
||||
VALUE success;
|
||||
VALUE failed;
|
||||
struct iconv_env_t *env;
|
||||
#endif /* HAVE_PROTOTYPES */
|
||||
{
|
||||
if (NIL_P(rb_ivar_get(error, rb_mesg)))
|
||||
rb_ivar_set(error, rb_mesg, rb_inspect(failed));
|
||||
if (env) {
|
||||
success = rb_funcall3(env->ret, rb_inserter, 1, &success);
|
||||
if (env->argc > 0) {
|
||||
*(env->argv) = failed;
|
||||
failed = rb_ary_new4(env->argc, env->argv);
|
||||
}
|
||||
}
|
||||
rb_ivar_set(error, rb_success, success);
|
||||
rb_ivar_set(error, rb_failed, failed);
|
||||
return error;
|
||||
}
|
||||
|
||||
static VALUE
|
||||
rb_str_derive
|
||||
#ifdef HAVE_PROTOTYPES
|
||||
(VALUE str, const char* ptr, int len)
|
||||
#else /* HAVE_PROTOTYPES */
|
||||
(str, ptr, len)
|
||||
VALUE str;
|
||||
const char *ptr;
|
||||
int len;
|
||||
#endif /* HAVE_PROTOTYPES */
|
||||
{
|
||||
VALUE ret;
|
||||
|
||||
if (NIL_P(str))
|
||||
return rb_str_new(ptr, len);
|
||||
if (RSTRING(str)->ptr == ptr && RSTRING(str)->len == len)
|
||||
return str;
|
||||
ret = rb_str_new(ptr, len);
|
||||
OBJ_INFECT(ret, str);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static VALUE
|
||||
iconv_convert
|
||||
#ifdef HAVE_PROTOTYPES
|
||||
(iconv_t cd, VALUE str, int start, int length, struct iconv_env_t* env)
|
||||
#else /* HAVE_PROTOTYPES */
|
||||
(cd, str, start, length, env)
|
||||
iconv_t cd;
|
||||
VALUE str;
|
||||
int start;
|
||||
int length;
|
||||
struct iconv_env_t *env;
|
||||
#endif /* HAVE_PROTOTYPES */
|
||||
{
|
||||
VALUE ret = Qfalse;
|
||||
VALUE error = Qfalse;
|
||||
const char *inptr, *instart;
|
||||
size_t inlen;
|
||||
/* I believe ONE CHARACTER never exceed this. */
|
||||
char buffer[BUFSIZ];
|
||||
char *outptr;
|
||||
size_t outlen;
|
||||
|
||||
if (cd == (iconv_t)-1)
|
||||
rb_raise(rb_eArgError, "closed iconv");
|
||||
|
||||
if (NIL_P(str)) {
|
||||
/* Reset output pointer or something. */
|
||||
inptr = "";
|
||||
inlen = 0;
|
||||
outptr = buffer;
|
||||
outlen = sizeof(buffer);
|
||||
error = iconv_try(cd, &inptr, &inlen, &outptr, &outlen);
|
||||
if (error)
|
||||
iconv_fail(error, Qnil, Qnil, env);
|
||||
|
||||
inptr = NULL;
|
||||
length = 0;
|
||||
}
|
||||
else {
|
||||
int slen;
|
||||
|
||||
Check_Type(str, T_STRING);
|
||||
slen = RSTRING(str)->len;
|
||||
inptr = RSTRING(str)->ptr;
|
||||
|
||||
if (start < 0 ? (start += slen) < 0 : start >= slen)
|
||||
length = 0;
|
||||
else if (length < 0 && (length += slen + 1) < 0)
|
||||
length = 0;
|
||||
else if ((length -= start) < 0)
|
||||
length = 0;
|
||||
else
|
||||
inptr += start;
|
||||
}
|
||||
instart = inptr;
|
||||
inlen = length;
|
||||
|
||||
do {
|
||||
const char *tmpstart = inptr;
|
||||
outptr = buffer;
|
||||
outlen = sizeof(buffer);
|
||||
|
||||
error = iconv_try(cd, &inptr, &inlen, &outptr, &outlen);
|
||||
|
||||
if (0 <= outlen && outlen <= sizeof(buffer)) {
|
||||
outlen = sizeof(buffer) - outlen;
|
||||
if (outlen > inptr - tmpstart || /* input can't contain output */
|
||||
(outlen < inptr - tmpstart && inlen > 0) || /* something skipped */
|
||||
memcmp(buffer, tmpstart, outlen)) /* something differs */
|
||||
{
|
||||
if (NIL_P(str)) {
|
||||
ret = rb_str_new(buffer, outlen);
|
||||
}
|
||||
else {
|
||||
if (ret) {
|
||||
ret = rb_str_buf_cat(ret, instart, tmpstart - instart);
|
||||
}
|
||||
else {
|
||||
ret = rb_str_new(instart, tmpstart - instart);
|
||||
OBJ_INFECT(ret, str);
|
||||
}
|
||||
ret = rb_str_buf_cat(ret, buffer, outlen);
|
||||
instart = inptr;
|
||||
}
|
||||
}
|
||||
else if (!inlen) {
|
||||
inptr = tmpstart + outlen;
|
||||
}
|
||||
}
|
||||
else {
|
||||
/* Some iconv() have a bug, return *outlen out of range */
|
||||
char errmsg[50];
|
||||
sprintf(errmsg, "bug?(output length = %d)", sizeof(buffer) - outlen);
|
||||
error = rb_exc_new2(rb_eIconvOutOfRange, errmsg);
|
||||
}
|
||||
|
||||
if (error) {
|
||||
if (!ret)
|
||||
ret = rb_str_derive(str, instart, inptr - instart);
|
||||
str = rb_str_derive(str, inptr, inlen);
|
||||
iconv_fail(error, ret, str, env);
|
||||
}
|
||||
} while (inlen > 0);
|
||||
|
||||
if (!ret)
|
||||
ret = rb_str_derive(str, instart, inptr - instart);
|
||||
return ret;
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
=begin
|
||||
=== Class methods
|
||||
=end
|
||||
*/
|
||||
/*
|
||||
=begin
|
||||
--- Iconv.new(to, from)
|
||||
Creates new code converter from a coding-system designated with ((|from|))
|
||||
to another one designated with ((|to|)).
|
||||
:Parameters
|
||||
:((|to|))
|
||||
coding-system name for destination.
|
||||
:((|from|))
|
||||
coding-system name for source.
|
||||
:Exceptions
|
||||
:(({TypeError}))
|
||||
if ((|to|)) or ((|from|)) aren't String
|
||||
:(({ArgumentError}))
|
||||
if designated converter couldn't find out.
|
||||
:(({SystemCallError}))
|
||||
when (({iconv_open(3)})) failed.
|
||||
|
||||
--- Iconv.open(to, from)
|
||||
Equivalents to ((<Iconv.new>)) except with in the case of called
|
||||
with a block, yields with the new instance and closes it, and
|
||||
returns the result which returned from the block.
|
||||
=end
|
||||
*/
|
||||
static VALUE
|
||||
iconv_s_allocate
|
||||
#ifdef HAVE_PROTOTYPES
|
||||
(VALUE klass)
|
||||
#else /* HAVE_PROTOTYPES */
|
||||
(klass)
|
||||
VALUE klass;
|
||||
#endif /* HAVE_PROTOTYPES */
|
||||
{
|
||||
return Data_Wrap_Struct(klass, 0, ICONV_FREE, 0);
|
||||
}
|
||||
|
||||
static VALUE
|
||||
iconv_initialize
|
||||
#ifdef HAVE_PROTOTYPES
|
||||
(VALUE self, VALUE to, VALUE from)
|
||||
#else /* HAVE_PROTOTYPES */
|
||||
(self, to, from)
|
||||
VALUE self;
|
||||
VALUE to;
|
||||
VALUE from;
|
||||
#endif /* HAVE_PROTOTYPES */
|
||||
{
|
||||
iconv_free((VALUE)(DATA_PTR(self)));
|
||||
DATA_PTR(self) = NULL;
|
||||
DATA_PTR(self) = (void *)ICONV2VALUE(iconv_create(to, from));
|
||||
return self;
|
||||
}
|
||||
|
||||
static VALUE
|
||||
iconv_s_open
|
||||
#ifdef HAVE_PROTOTYPES
|
||||
(VALUE self, VALUE to, VALUE from)
|
||||
#else /* HAVE_PROTOTYPES */
|
||||
(self, to, from)
|
||||
VALUE self;
|
||||
VALUE to;
|
||||
VALUE from;
|
||||
#endif /* HAVE_PROTOTYPES */
|
||||
{
|
||||
VALUE cd = ICONV2VALUE(iconv_create(to, from));
|
||||
|
||||
if (rb_block_given_p()) {
|
||||
self = Data_Wrap_Struct(self, NULL, NULL, (void *)cd);
|
||||
return rb_ensure(rb_yield, self, (VALUE(*)())iconv_finish, self);
|
||||
}
|
||||
else {
|
||||
return Data_Wrap_Struct(self, NULL, ICONV_FREE, (void *)cd);
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
=begin
|
||||
--- Iconv.iconv(to, from, *strs)
|
||||
Shorthand for
|
||||
Iconv.new(to, from) {|cd| (strs + nil).collect {|s| cd.iconv(s)}}
|
||||
:Parameters
|
||||
:((|to|)), ((|from|))
|
||||
see ((<Iconv.new>)).
|
||||
:((|strs|))
|
||||
strings to be converted.
|
||||
:Exceptions
|
||||
exceptions thrown by ((<Iconv.new>)) and ((<Iconv#iconv>)).
|
||||
=end
|
||||
*/
|
||||
|
||||
static VALUE
|
||||
iconv_s_convert
|
||||
#ifdef HAVE_PROTOTYPES
|
||||
(struct iconv_env_t* env)
|
||||
#else /* HAVE_PROTOTYPES */
|
||||
(env)
|
||||
struct iconv_env_t *env;
|
||||
#endif /* HAVE_PROTOTYPES */
|
||||
{
|
||||
VALUE last = 0;
|
||||
|
||||
for (; env->argc > 0; --env->argc, ++env->argv) {
|
||||
VALUE s = iconv_convert(env->cd, last = *(env->argv), 0, -1, env);
|
||||
rb_funcall3(env->ret, rb_inserter, 1, &s);
|
||||
}
|
||||
|
||||
if (!NIL_P(last)) {
|
||||
VALUE s = iconv_convert(env->cd, Qnil, 0, 0, env);
|
||||
if (RSTRING(s)->len)
|
||||
rb_funcall3(env->ret, rb_inserter, 1, &s);
|
||||
}
|
||||
|
||||
return env->ret;
|
||||
}
|
||||
|
||||
static VALUE
|
||||
iconv_s_iconv
|
||||
#ifdef HAVE_PROTOTYPES
|
||||
(int argc, VALUE *argv, VALUE self)
|
||||
#else /* HAVE_PROTOTYPES */
|
||||
(argc, argv, self)
|
||||
int argc;
|
||||
VALUE *argv;
|
||||
VALUE self;
|
||||
#endif /* HAVE_PROTOTYPES */
|
||||
{
|
||||
struct iconv_env_t arg;
|
||||
|
||||
if (argc < 2) /* needs `to' and `from' arguments at least */
|
||||
rb_raise(rb_eArgError, "wrong # of arguments (%d for %d)", argc, 2);
|
||||
|
||||
arg.argc = argc -= 2;
|
||||
arg.argv = argv + 2;
|
||||
arg.ret = rb_ary_new2(argc);
|
||||
arg.cd = iconv_create(argv[0], argv[1]);
|
||||
return rb_ensure(iconv_s_convert, (VALUE)&arg, iconv_free, ICONV2VALUE(arg.cd));
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
=begin
|
||||
=== Instance methods
|
||||
=end
|
||||
*/
|
||||
/*
|
||||
=begin
|
||||
--- Iconv#close
|
||||
Finishes conversion.
|
||||
* After calling this, invoking method ((<Iconv#iconv>)) will cause
|
||||
exception, but multiple calls of (({close})) are guaranteed to
|
||||
end successfully.
|
||||
* Returns a string contains the byte sequence to change the
|
||||
output buffer to its initial shift state.
|
||||
=end
|
||||
*/
|
||||
static VALUE
|
||||
iconv_init_state
|
||||
#ifdef HAVE_PROTOTYPES
|
||||
(VALUE cd)
|
||||
#else /* HAVE_PROTOTYPES */
|
||||
(cd)
|
||||
VALUE cd;
|
||||
#endif /* HAVE_PROTOTYPES */
|
||||
{
|
||||
return iconv_convert(VALUE2ICONV(cd), Qnil, 0, 0, NULL);
|
||||
}
|
||||
|
||||
static VALUE
|
||||
iconv_finish
|
||||
#ifdef HAVE_PROTOTYPES
|
||||
(VALUE self)
|
||||
#else /* HAVE_PROTOTYPES */
|
||||
(self)
|
||||
VALUE self;
|
||||
#endif /* HAVE_PROTOTYPES */
|
||||
{
|
||||
VALUE cd;
|
||||
|
||||
Check_Type(self, T_DATA);
|
||||
|
||||
cd = (VALUE)DATA_PTR(self);
|
||||
if (!cd) return Qnil;
|
||||
DATA_PTR(self) = NULL;
|
||||
|
||||
return rb_ensure(iconv_init_state, cd, iconv_free, cd);
|
||||
}
|
||||
|
||||
/*
|
||||
=begin
|
||||
--- Iconv#iconv(str, [ start = 0, [ length = -1 ] ])
|
||||
Converts string and returns converted one.
|
||||
* In the case of ((|str|)) is (({String})), converts (({str[start, length]})).
|
||||
Returns converted string.
|
||||
* In the case of ((|str|)) is (({nil})), places ((|converter|))
|
||||
itself into initial shift state and just returns a string contains
|
||||
the byte sequence to change the output buffer to its initial shift
|
||||
state.
|
||||
* Otherwise, causes exception.
|
||||
:Parameters
|
||||
:((|str|))
|
||||
string to be converted or (({nil})).
|
||||
:((|start|))
|
||||
starting offset.
|
||||
:((|length|))
|
||||
conversion length,
|
||||
(({nil})) or (({-1})) means whole string from (({start})).
|
||||
:Exceptions
|
||||
* ((<Iconv::IllegalSequence>))
|
||||
* ((<Iconv::InvalidCharacter>))
|
||||
* ((<Iconv::OutOfRange>))
|
||||
=end
|
||||
*/
|
||||
static VALUE
|
||||
iconv_iconv
|
||||
#ifdef HAVE_PROTOTYPES
|
||||
(int argc, VALUE *argv, VALUE self)
|
||||
#else /* HAVE_PROTOTYPES */
|
||||
(argc, argv, self)
|
||||
int argc;
|
||||
VALUE *argv;
|
||||
VALUE self;
|
||||
#endif /* HAVE_PROTOTYPES */
|
||||
{
|
||||
VALUE str, n1, n2;
|
||||
|
||||
Check_Type(self, T_DATA);
|
||||
|
||||
n1 = n2 = Qnil;
|
||||
rb_scan_args(argc, argv, "12", &str, &n1, &n2);
|
||||
|
||||
return iconv_convert(VALUE2ICONV(DATA_PTR(self)), str,
|
||||
NIL_P(n1) ? 0 : NUM2INT(n1),
|
||||
NIL_P(n2) ? -1 : NUM2INT(n1),
|
||||
NULL);
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
=begin
|
||||
= Exceptions
|
||||
=end
|
||||
*/
|
||||
/*
|
||||
=begin
|
||||
== Iconv::Failure
|
||||
Base exceptional attributes from ((<Iconv>)).
|
||||
|
||||
=== Instance methods
|
||||
=end
|
||||
*/
|
||||
/*
|
||||
=begin
|
||||
--- Iconv::Failure#success
|
||||
Returns string(s) translated successfully until the exception occurred.
|
||||
* In the case of failure occurred within ((<Iconv.iconv>)), returned
|
||||
value is an array of strings translated successfully preceding
|
||||
failure and the last element is string on the way.
|
||||
=end
|
||||
*/
|
||||
static VALUE
|
||||
iconv_failure_success
|
||||
#ifdef HAVE_PROTOTYPES
|
||||
(VALUE self)
|
||||
#else /* HAVE_PROTOTYPES */
|
||||
(self)
|
||||
VALUE self;
|
||||
#endif /* HAVE_PROTOTYPES */
|
||||
{
|
||||
return rb_ivar_get(self, rb_success);
|
||||
}
|
||||
|
||||
/*
|
||||
=begin
|
||||
--- Iconv::Failure#failed
|
||||
Returns substring of the original string passed to ((<Iconv>)) that
|
||||
starts at the character caused the exception.
|
||||
=end
|
||||
*/
|
||||
static VALUE
|
||||
iconv_failure_failed
|
||||
#ifdef HAVE_PROTOTYPES
|
||||
(VALUE self)
|
||||
#else /* HAVE_PROTOTYPES */
|
||||
(self)
|
||||
VALUE self;
|
||||
#endif /* HAVE_PROTOTYPES */
|
||||
{
|
||||
return rb_ivar_get(self, rb_failed);
|
||||
}
|
||||
|
||||
/*
|
||||
=begin
|
||||
--- Iconv::Failure#inspect
|
||||
Returns inspected string like as: #<(({type})): "(({success}))", "(({failed}))">
|
||||
=end
|
||||
*/
|
||||
static VALUE
|
||||
iconv_failure_inspect
|
||||
#ifdef HAVE_PROTOTYPES
|
||||
(VALUE self)
|
||||
#else /* HAVE_PROTOTYPES */
|
||||
(self)
|
||||
VALUE self;
|
||||
#endif /* HAVE_PROTOTYPES */
|
||||
{
|
||||
char *cname = rb_class2name(CLASS_OF(self));
|
||||
VALUE success = iconv_failure_success(self);
|
||||
VALUE failed = iconv_failure_failed(self);
|
||||
VALUE str = rb_str_buf_cat2(rb_str_new2("#<"), cname);
|
||||
str = rb_str_buf_cat(str, ": ", 2);
|
||||
str = rb_str_buf_append(str, rb_inspect(success));
|
||||
str = rb_str_buf_cat(str, ", ", 2);
|
||||
str = rb_str_buf_append(str, rb_inspect(failed));
|
||||
return rb_str_buf_cat(str, ">", 1);
|
||||
}
|
||||
|
||||
/*
|
||||
Hmmm, I don't like to write RD inside of function :-<.
|
||||
|
||||
=begin
|
||||
== Iconv::IllegalSequence
|
||||
Exception in the case of any illegal sequence detected.
|
||||
=== Superclass
|
||||
(({ArgumentError}))
|
||||
=== Included Modules
|
||||
((<Iconv::Failure>))
|
||||
|
||||
== Iconv::InvalidCharacter
|
||||
Exception in the case of output coding system can't express the character.
|
||||
=== Superclass
|
||||
(({ArgumentError}))
|
||||
=== Included Modules
|
||||
((<Iconv::Failure>))
|
||||
|
||||
== Iconv::OutOfRange
|
||||
Iconv library internal error. Must not occur.
|
||||
=== Superclass
|
||||
(({RuntimeError}))
|
||||
=== Included Modules
|
||||
((<Iconv::Failure>))
|
||||
=end
|
||||
*/
|
||||
|
||||
void
|
||||
Init_iconv _((void))
|
||||
{
|
||||
VALUE rb_cIconv = rb_define_class("Iconv", rb_cData);
|
||||
rb_define_singleton_method(rb_cIconv, "allocate", iconv_s_allocate, 0);
|
||||
rb_define_singleton_method(rb_cIconv, "open", iconv_s_open, 2);
|
||||
rb_define_singleton_method(rb_cIconv, "iconv", iconv_s_iconv, -1);
|
||||
rb_define_method(rb_cIconv, "initialize", iconv_initialize, 2);
|
||||
rb_define_method(rb_cIconv, "close", iconv_finish, 0);
|
||||
rb_define_method(rb_cIconv, "iconv", iconv_iconv, -1);
|
||||
|
||||
rb_eIconvFailure = rb_define_module_under(rb_cIconv, "Failure");
|
||||
rb_define_method(rb_eIconvFailure, "success", iconv_failure_success, 0);
|
||||
rb_define_method(rb_eIconvFailure, "failed", iconv_failure_failed, 0);
|
||||
rb_define_method(rb_eIconvFailure, "inspect", iconv_failure_inspect, 0);
|
||||
|
||||
rb_eIconvIllegalSeq = rb_define_class_under(rb_cIconv, "IllegalSequence", rb_eArgError);
|
||||
rb_eIconvInvalidChar = rb_define_class_under(rb_cIconv, "InvalidCharacter", rb_eArgError);
|
||||
rb_eIconvOutOfRange = rb_define_class_under(rb_cIconv, "OutOfRange", rb_eRuntimeError);
|
||||
rb_include_module(rb_eIconvIllegalSeq, rb_eIconvFailure);
|
||||
rb_include_module(rb_eIconvInvalidChar, rb_eIconvFailure);
|
||||
rb_include_module(rb_eIconvOutOfRange, rb_eIconvFailure);
|
||||
|
||||
rb_inserter = rb_intern("<<");
|
||||
rb_success = rb_intern("success");
|
||||
rb_failed = rb_intern("failed");
|
||||
rb_mesg = rb_intern("mesg");
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
=begin
|
||||
== Example
|
||||
(1) Instantiate a new ((<Iconv>)), use method ((<Iconv#iconv>)).
|
||||
cd = Iconv.new(to, from)
|
||||
begin
|
||||
input.each {|s| output << cd.iconv(s)}
|
||||
output << cd.iconv(nil) # don't forget this
|
||||
ensure
|
||||
cd.close
|
||||
end
|
||||
(2) Invoke ((<Iconv.new>)) with a block.
|
||||
Iconv.new(to, from) do |cd|
|
||||
input.each {|s| output << cd.iconv(s)}
|
||||
output << cd.iconv(nil)
|
||||
end
|
||||
(3) Shorthand for (2).
|
||||
Iconv.iconv(to, from, *input.to_a)
|
||||
=end
|
||||
*/
|
||||
Загрузка…
Ссылка в новой задаче