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File Content: `transcode.h`

#ifndef RUBY_INTERNAL_ENCODING_TRANSCODE_H           /*-*-C++-*-vi:se ft=cpp:*/
#define RUBY_INTERNAL_ENCODING_TRANSCODE_H
/**
 * @file
 * @author     Ruby developers <ruby-core@ruby-lang.org>
 * @copyright  This  file  is   a  part  of  the   programming  language  Ruby.
 *             Permission  is hereby  granted,  to  either redistribute  and/or
 *             modify this file, provided that  the conditions mentioned in the
 *             file COPYING are met.  Consult the file for details.
 * @warning    Symbols   prefixed  with   either  `RBIMPL`   or  `rbimpl`   are
 *             implementation details.   Don't take  them as canon.  They could
 *             rapidly appear then vanish.  The name (path) of this header file
 *             is also an  implementation detail.  Do not expect  it to persist
 *             at the place it is now.  Developers are free to move it anywhere
 *             anytime at will.
 * @note       To  ruby-core:  remember  that   this  header  can  be  possibly
 *             recursively included  from extension  libraries written  in C++.
 *             Do not  expect for  instance `__VA_ARGS__` is  always available.
 *             We assume C99  for ruby itself but we don't  assume languages of
 *             extension libraries.  They could be written in C++98.
 * @brief      econv stuff
 */

#include "ruby/internal/dllexport.h"
#include "ruby/internal/value.h"

RBIMPL_SYMBOL_EXPORT_BEGIN()

/** return value of rb_econv_convert() */
typedef enum {

    /**
     * The conversion stopped when it found an invalid sequence.
     */
    econv_invalid_byte_sequence,

    /**
     * The conversion  stopped when  it found  a character  in the  input which
     * cannot be representable in the output.
     */
    econv_undefined_conversion,

    /**
     * The conversion stopped because there is no destination.
     */
    econv_destination_buffer_full,

    /**
     * The conversion stopped because there is no input.
     */
    econv_source_buffer_empty,

    /**
     * The conversion  stopped after  converting everything.  This  is arguably
     * the expected normal end of conversion.
     */
    econv_finished,

    /**
     * The  conversion stopped  after  writing something  to somewhere,  before
     * reading everything.
     */
    econv_after_output,

    /**
     * The conversion stopped in middle of reading a character, possibly due to
     * a partial read of a socket etc.
     */
    econv_incomplete_input
} rb_econv_result_t;

/** An opaque struct that represents a lowest level of encoding conversion. */
typedef struct rb_econv_t rb_econv_t;

/**
 * Converts the contents  of the passed string from its  encoding to the passed
 * one.
 *
 * @param[in]  str                           Target string.
 * @param[in]  to                            Destination encoding.
 * @param[in]  ecflags                       A        set        of        enum
 *                                           ::ruby_econv_flag_type.
 * @param[in]  ecopts                        A      keyword     hash,      like
 *                                           ::rb_io_t::rb_io_enc_t::ecopts.
 * @exception  rb_eArgError                  Not fully converted.
 * @exception  rb_eInvalidByteSequenceError  `str` is malformed.
 * @exception  rb_eUndefinedConversionError  `str`   has    a   character   not
 *                                           representable using `to`.
 * @exception  rb_eConversionNotFoundError   There is no  known conversion from
 *                                           `str`'s encoding to `to`.
 * @return     A string whose encoding is `to`, and whose contents is converted
 *             contents of `str`.
 * @note       Use rb_econv_prepare_options() to generate `ecopts`.
 */
VALUE rb_str_encode(VALUE str, VALUE to, int ecflags, VALUE ecopts);

/**
 * Queries if  there is  more than one  way to convert  between the  passed two
 * encodings.  Encoding  conversion are  has_and_belongs_to_many relationships.
 * There could be no direct conversion defined for the passed pair.  Ruby tries
 * to find  an indirect  way to  do so  then.  For  instance ISO-8859-1  has no
 * direct  conversion  to  ISO-2022-JP.   But  there  is  ISO-8859-1  to  UTF-8
 * conversion; then there is UTF-8 to  EUC-JP conversion; finally there also is
 * EUC-JP to ISO-2022-JP  conversion.  So in short ISO-8859-1  can be converted
 * to ISO-2022-JP using that path.   This function returns true.  Obviously not
 * everything that can be represented using UTF-8 can also be represented using
 * EUC-JP.  Conversions in practice can fail depending on the actual input, and
 * that renders exceptions in case of rb_str_encode().
 *
 * @param[in] from_encoding  One encoding.
 * @param[in] to_encoding    Another encoding.
 * @retval    0              No way to convert the two.
 * @retval    1              At least one way to convert the two.
 *
 * @internal
 *
 * Practically @shyouhei knows no way for  this function to return 0.  It seems
 * everything  can  eventually  be  converted  to/from  UTF-8,  which  connects
 * everything.
 */
int rb_econv_has_convpath_p(const char* from_encoding, const char* to_encoding);

/**
 * Identical  to  rb_econv_prepare_opts(),  except it  additionally  takes  the
 * initial  value of  flags.  The  extra bits  are bitwise-ORed  to the  return
 * value.
 *
 * @param[in]   opthash       Keyword arguments.
 * @param[out]  ecopts        Return buffer.
 * @param[in]   ecflags       Default set of enum ::ruby_econv_flag_type.
 * @exception   rb_eArgError  Unknown/Broken values passed.
 * @return      Calculated set of enum ::ruby_econv_flag_type.
 * @post        `ecopts`     holds    a     hash     object    suitable     for
 *              ::rb_io_t::rb_io_enc_t::ecopts.
 */
int rb_econv_prepare_options(VALUE opthash, VALUE *ecopts, int ecflags);

/**
 * Splits a  keyword arguments  hash (that  for instance  `String#encode` took)
 * into a  set of  enum ::ruby_econv_flag_type and  a hash  storing replacement
 * characters etc.
 *
 * @param[in]   opthash       Keyword arguments.
 * @param[out]  ecopts        Return buffer.
 * @exception   rb_eArgError  Unknown/Broken values passed.
 * @return      Calculated set of enum ::ruby_econv_flag_type.
 * @post        `ecopts`     holds    a     hash     object    suitable     for
 *              ::rb_io_t::rb_io_enc_t::ecopts.
 */
int rb_econv_prepare_opts(VALUE opthash, VALUE *ecopts);

/**
 * Creates a new instance of struct ::rb_econv_t.
 *
 * @param[in]  source_encoding       Name of an encoding.
 * @param[in]  destination_encoding  Name of another encoding.
 * @param[in]  ecflags               A set of enum ::ruby_econv_flag_type.
 * @exception  rb_eArgError          No such encoding.
 * @retval     NULL                  Failed to create a struct ::rb_econv_t.
 * @retval     otherwise             Allocated struct ::rb_econv_t.
 * @warning    Return value must be passed to rb_econv_close() exactly once.
 */
rb_econv_t *rb_econv_open(const char *source_encoding, const char *destination_encoding, int ecflags);

/**
 * Identical  to  rb_econv_open(),  except  it additionally  takes  a  hash  of
 * optional strings.
 *
 *
 * @param[in]  source_encoding       Name of an encoding.
 * @param[in]  destination_encoding  Name of another encoding.
 * @param[in]  ecflags               A set of enum ::ruby_econv_flag_type.
 * @param[in]  ecopts                Optional set of strings.
 * @exception  rb_eArgError          No such encoding.
 * @retval     NULL                  Failed to create a struct ::rb_econv_t.
 * @retval     otherwise             Allocated struct ::rb_econv_t.
 * @warning    Return value must be passed to rb_econv_close() exactly once.
 */
rb_econv_t *rb_econv_open_opts(const char *source_encoding, const char *destination_encoding, int ecflags, VALUE ecopts);

/**
 * Converts a string from an encoding to another.
 *
 * Possible  flags  are  either ::RUBY_ECONV_PARTIAL_INPUT  (means  the  source
 * buffer is a  part of much larger  one), ::RUBY_ECONV_AFTER_OUTPUT (instructs
 * the converter to stop after output before input), or both of them.
 *
 * @param[in,out]  ec                      Conversion specification/state etc.
 * @param[in]      source_buffer_ptr       Target string.
 * @param[in]      source_buffer_end       End of target string.
 * @param[out]     destination_buffer_ptr  Return buffer.
 * @param[out]     destination_buffer_end  End of return buffer.
 * @param[in]      flags                   Flags (see above).
 * @return         The status of the conversion.
 * @post           `destination_buffer_ptr` holds conversion results.
 */
rb_econv_result_t rb_econv_convert(rb_econv_t *ec,
    const unsigned char **source_buffer_ptr, const unsigned char *source_buffer_end,
    unsigned char **destination_buffer_ptr, unsigned char *destination_buffer_end,
    int flags);

/**
 * Destructs a converter.  Note that a converter  can have a buffer, and can be
 * non-empty.  Calling this would lose your data then.
 *
 * @param[out]  ec The converter to destroy.
 * @post        `ec` is no longer a valid pointer.
 */
void rb_econv_close(rb_econv_t *ec);

/**
 * Assigns  the replacement  string.  The  string passed  here would  appear in
 * converted string when it cannot  represent its source counterpart.  This can
 * happen for instance you convert an emoji to ISO-8859-1.
 *
 * @param[out]  ec       Target converter.
 * @param[in]   str      Replacement string.
 * @param[in]   len      Number of bytes of `str`.
 * @param[in]   encname  Name of encoding of `str`.
 * @retval      0        Success.
 * @retval      -1       Failure (ENOMEM etc.).
 * @post        `ec`'s replacement string is set to `str`.
 */
int rb_econv_set_replacement(rb_econv_t *ec, const unsigned char *str, size_t len, const char *encname);

/**
 * "Decorate"s  a  converter.   There  are  special  kind  of  converters  that
 * transforms the  contents, like  replacing CR  into CRLF.   You can  add such
 * decorators  to  a converter  using  this  API.   By  using this  function  a
 * decorator is prepended at the beginning of a conversion sequence: in case of
 * CRLF conversion, newlines are converted before encodings are converted.
 *
 * @param[out]  ec              Target converter to decorate.
 * @param[in]   decorator_name  Name of decorator to prepend.
 * @retval      0               Success.
 * @retval      -1              Failure (no such decorator etc.).
 * @post        Decorator works before encoding conversion happens.
 *
 * @internal
 *
 * What is the possible value of  the `decorator_name` is not public.  You have
 * to read through `transcode.c` carefully.
 */
int rb_econv_decorate_at_first(rb_econv_t *ec, const char *decorator_name);

/**
 * Identical to  rb_econv_decorate_at_first(), except  it adds to  the opposite
 * direction.  For  instance CRLF  conversion would  run _after_  encodings are
 * converted.
 *
 * @param[out]  ec              Target converter to decorate.
 * @param[in]   decorator_name  Name of decorator to prepend.
 * @retval      0               Success.
 * @retval      -1              Failure (no such decorator etc.).
 * @post        Decorator works after encoding conversion happens.
 */
int rb_econv_decorate_at_last(rb_econv_t *ec, const char *decorator_name);

/**
 * Creates  a  `rb_eConverterNotFoundError`  exception  object  (but  does  not
 * raise).
 *
 * @param[in]  senc     Name of source encoding.
 * @param[in]  denc     Name of destination encoding.
 * @param[in]  ecflags  A set of enum ::ruby_econv_flag_type.
 * @return     An instance of `rb_eConverterNotFoundError`.
 */
VALUE rb_econv_open_exc(const char *senc, const char *denc, int ecflags);

/**
 * Appends the passed string to the passed converter's output buffer.  This can
 * be  handy  when an  encoding  needs  bytes out  of  thin  air; for  instance
 * ISO-2022-JP  has  "shift   function"  which  does  not   correspond  to  any
 * characters.
 *
 * @param[out]  ec            Target converter.
 * @param[in]   str           String to insert.
 * @param[in]   len           Number of bytes of `str`.
 * @param[in]   str_encoding  Encoding of `str`.
 * @retval      0             Success.
 * @retval      -1            Failure (conversion error etc.).
 * @note        `str_encoding` can  be anything, and `str`  itself is converted
 *              when necessary.
 */
int rb_econv_insert_output(rb_econv_t *ec,
    const unsigned char *str, size_t len, const char *str_encoding);

/**
 * Queries  an encoding  name which  best suits  for rb_econv_insert_output()'s
 * last parameter.  Strings in this  encoding need no conversion when inserted;
 * can be both time/space efficient.
 *
 * @param[in]  ec  Target converter.
 * @return     Its encoding for insertion.
 */
const char *rb_econv_encoding_to_insert_output(rb_econv_t *ec);

/**
 * This is a rb_econv_make_exception() + rb_exc_raise() combo.
 *
 * @param[in]  ec                            (Possibly failed) conversion.
 * @exception  rb_eInvalidByteSequenceError  Invalid byte sequence.
 * @exception  rb_eUndefinedConversionError  Conversion undefined.
 * @note       This function can return when no error.
 */
void rb_econv_check_error(rb_econv_t *ec);

/**
 * This function makes sense right after rb_econv_convert() returns.  As listed
 * in ::rb_econv_result_t, rb_econv_convert() can bail out for various reasons.
 * This function checks the passed converter's internal state and convert it to
 * an appropriate exception object.
 *
 * @param[in]  ec         Target converter.
 * @retval     RUBY_Qnil  The converter has no error.
 * @retval     otherwise  Conversion error turned into an exception.
 */
VALUE rb_econv_make_exception(rb_econv_t *ec);

/**
 * Queries  if rb_econv_putback()  makes  sense, i.e.  there  are invalid  byte
 * sequences remain in the buffer.
 *
 * @param[in]  ec  Target converter.
 * @return     Number of bytes that can be pushed back.
 */
int rb_econv_putbackable(rb_econv_t *ec);

/**
 * Puts  back the  bytes.  In  case of  ::econv_invalid_byte_sequence, some  of
 * those  invalid  bytes are  discarded  and  the  others  are buffered  to  be
 * converted later.  The latter bytes can be put back using this API.
 *
 * @param[out]  ec  Target converter (invalid byte sequence).
 * @param[out]  p   Return buffer.
 * @param[in]   n   Max number of bytes to put back.
 * @post        At most `n` bytes of what was put back is written to `p`.
 */
void rb_econv_putback(rb_econv_t *ec, unsigned char *p, int n);

/**
 * Queries the passed encoding's corresponding ASCII compatible encoding.  "The
 * corresponding  ASCII  compatible  encoding"  in this  context  is  an  ASCII
 * compatible encoding which  can represent exactly the same  character sets as
 * the given  ASCII incompatible  encoding.  For instance  that of  UTF-16LE is
 * UTF-8.
 *
 * @param[in]  encname    Name of an ASCII incompatible encoding.
 * @retval     NULL       `encname` is already ASCII compatible.
 * @retval     otherwise  The corresponding ASCII compatible encoding.
 */
const char *rb_econv_asciicompat_encoding(const char *encname);

/**
 * Identical to  rb_econv_convert(), except it  takes Ruby's string  instead of
 * C's pointer.
 *
 * @param[in,out]  ec                            Target converter.
 * @param[in]      src                           Source string.
 * @param[in]      flags                         Flags (see rb_econv_convert).
 * @exception      rb_eArgError                  Converted string is too long.
 * @exception      rb_eInvalidByteSequenceError  Invalid byte sequence.
 * @exception      rb_eUndefinedConversionError  Conversion undefined.
 * @return         The conversion result.
 */
VALUE rb_econv_str_convert(rb_econv_t *ec, VALUE src, int flags);

/**
 * Identical to rb_econv_str_convert(),  except it converts only a  part of the
 * passed string.  Can be handy when  you for instance want to do line-buffered
 * conversion.
 *
 * @param[in,out]  ec                            Target converter.
 * @param[in]      src                           Source string.
 * @param[in]      byteoff                       Number of bytes to seek.
 * @param[in]      bytesize                      Number of bytes to read.
 * @param[in]      flags                         Flags (see rb_econv_convert).
 * @exception      rb_eArgError                  Converted string is too long.
 * @exception      rb_eInvalidByteSequenceError  Invalid byte sequence.
 * @exception      rb_eUndefinedConversionError  Conversion undefined.
 * @return         The conversion result.
 */
VALUE rb_econv_substr_convert(rb_econv_t *ec, VALUE src, long byteoff, long bytesize, int flags);

/**
 * Identical to rb_econv_str_convert(), except it appends the conversion result
 * to the additionally passed string instead  of creating a new string.  It can
 * also be seen as a routine  identical to rb_econv_append(), except it takes a
 * Ruby's string instead of C's pointer.
 *
 * @param[in,out]  ec                            Target converter.
 * @param[in]      src                           Source string.
 * @param[in]      dst                           Return buffer.
 * @param[in]      flags                         Flags (see rb_econv_convert).
 * @exception      rb_eArgError                  Converted string is too long.
 * @exception      rb_eInvalidByteSequenceError  Invalid byte sequence.
 * @exception      rb_eUndefinedConversionError  Conversion undefined.
 * @return         The conversion result.
 */
VALUE rb_econv_str_append(rb_econv_t *ec, VALUE src, VALUE dst, int flags);

/**
 * Identical to  rb_econv_str_append(), except  it appends only  a part  of the
 * passed string with  conversion.  It can also be seen  as a routine identical
 * to rb_econv_substr_convert(), except it appends the conversion result to the
 * additionally passed string instead of creating a new string.
 *
 * @param[in,out]  ec                            Target converter.
 * @param[in]      src                           Source string.
 * @param[in]      byteoff                       Number of bytes to seek.
 * @param[in]      bytesize                      Number of bytes to read.
 * @param[in]      dst                           Return buffer.
 * @param[in]      flags                         Flags (see rb_econv_convert).
 * @exception      rb_eArgError                  Converted string is too long.
 * @exception      rb_eInvalidByteSequenceError  Invalid byte sequence.
 * @exception      rb_eUndefinedConversionError  Conversion undefined.
 * @return         The conversion result.
 */
VALUE rb_econv_substr_append(rb_econv_t *ec, VALUE src, long byteoff, long bytesize, VALUE dst, int flags);

/**
 * Converts  the passed  C's pointer  according to  the passed  converter, then
 * append the conversion  result to the passed Ruby's string.   This way buffer
 * overflow is properly avoided to resize the destination properly.
 *
 * @param[in,out]  ec                            Target converter.
 * @param[in]      bytesrc                       Target string.
 * @param[in]      bytesize                      Number of bytes of `bytesrc`.
 * @param[in]      dst                           Return buffer.
 * @param[in]      flags                         Flags (see rb_econv_convert).
 * @exception      rb_eArgError                  Converted string is too long.
 * @exception      rb_eInvalidByteSequenceError  Invalid byte sequence.
 * @exception      rb_eUndefinedConversionError  Conversion undefined.
 * @return         The conversion result.
 */
VALUE rb_econv_append(rb_econv_t *ec, const char *bytesrc, long bytesize, VALUE dst, int flags);

/**
 * This badly named  function does not set the destination  encoding to binary,
 * but  instead just  nullifies newline  conversion decorators  if any.   Other
 * ordinal character conversions still  happen after this; something non-binary
 * would still be generated.
 *
 * @param[out]  ec  Target converter to modify.
 * @post        Any newline conversions, if any, would be killed.
 */
void rb_econv_binmode(rb_econv_t *ec);

/**
 * This enum is kind of omnibus.  Gathers various constants.
 */
enum ruby_econv_flag_type {

    /**
     * @name Flags for rb_econv_open()
     *
     * @{
     */

    /** Mask for error handling related bits. */
    RUBY_ECONV_ERROR_HANDLER_MASK               = 0x000000ff,

    /** Special handling of invalid sequences are there. */
    RUBY_ECONV_INVALID_MASK                     = 0x0000000f,

    /** Invalid sequences shall be replaced. */
    RUBY_ECONV_INVALID_REPLACE                  = 0x00000002,

    /** Special handling of undefined conversion are there. */
    RUBY_ECONV_UNDEF_MASK                       = 0x000000f0,

    /** Undefined characters shall be replaced. */
    RUBY_ECONV_UNDEF_REPLACE                    = 0x00000020,

    /** Undefined characters shall be escaped. */
    RUBY_ECONV_UNDEF_HEX_CHARREF                = 0x00000030,

    /** Decorators are there. */
    RUBY_ECONV_DECORATOR_MASK                   = 0x0001ff00,

    /** Newline converters are there. */
    RUBY_ECONV_NEWLINE_DECORATOR_MASK           = 0x00007f00,

    /** (Unclear; seems unused). */
    RUBY_ECONV_NEWLINE_DECORATOR_READ_MASK      = 0x00000f00,

    /** (Unclear; seems unused). */
    RUBY_ECONV_NEWLINE_DECORATOR_WRITE_MASK     = 0x00007000,

    /** Universal newline mode. */
    RUBY_ECONV_UNIVERSAL_NEWLINE_DECORATOR      = 0x00000100,

    /** CR to CRLF conversion shall happen. */
    RUBY_ECONV_CRLF_NEWLINE_DECORATOR           = 0x00001000,

    /** CRLF to CR conversion shall happen. */
    RUBY_ECONV_CR_NEWLINE_DECORATOR             = 0x00002000,

    /** CRLF to LF conversion shall happen. */
    RUBY_ECONV_LF_NEWLINE_DECORATOR             = 0x00004000,

    /** Texts shall be XML-escaped. */
    RUBY_ECONV_XML_TEXT_DECORATOR               = 0x00008000,

    /** Texts shall be AttrValue escaped */
    RUBY_ECONV_XML_ATTR_CONTENT_DECORATOR       = 0x00010000,

    /** (Unclear; seems unused). */
    RUBY_ECONV_STATEFUL_DECORATOR_MASK          = 0x00f00000,

    /** Texts shall be AttrValue escaped. */
    RUBY_ECONV_XML_ATTR_QUOTE_DECORATOR         = 0x00100000,

    /** Newline decorator's default. */
    RUBY_ECONV_DEFAULT_NEWLINE_DECORATOR        =
#if defined(RUBY_TEST_CRLF_ENVIRONMENT) || defined(_WIN32)
        RUBY_ECONV_CRLF_NEWLINE_DECORATOR,
#else
        0,
#endif

#define ECONV_ERROR_HANDLER_MASK                RUBY_ECONV_ERROR_HANDLER_MASK           /**< @old{RUBY_ECONV_ERROR_HANDLER_MASK} */
#define ECONV_INVALID_MASK                      RUBY_ECONV_INVALID_MASK                 /**< @old{RUBY_ECONV_INVALID_MASK} */
#define ECONV_INVALID_REPLACE                   RUBY_ECONV_INVALID_REPLACE              /**< @old{RUBY_ECONV_INVALID_REPLACE} */
#define ECONV_UNDEF_MASK                        RUBY_ECONV_UNDEF_MASK                   /**< @old{RUBY_ECONV_UNDEF_MASK} */
#define ECONV_UNDEF_REPLACE                     RUBY_ECONV_UNDEF_REPLACE                /**< @old{RUBY_ECONV_UNDEF_REPLACE} */
#define ECONV_UNDEF_HEX_CHARREF                 RUBY_ECONV_UNDEF_HEX_CHARREF            /**< @old{RUBY_ECONV_UNDEF_HEX_CHARREF} */
#define ECONV_DECORATOR_MASK                    RUBY_ECONV_DECORATOR_MASK               /**< @old{RUBY_ECONV_DECORATOR_MASK} */
#define ECONV_NEWLINE_DECORATOR_MASK            RUBY_ECONV_NEWLINE_DECORATOR_MASK       /**< @old{RUBY_ECONV_NEWLINE_DECORATOR_MASK} */
#define ECONV_NEWLINE_DECORATOR_READ_MASK       RUBY_ECONV_NEWLINE_DECORATOR_READ_MASK  /**< @old{RUBY_ECONV_NEWLINE_DECORATOR_READ_MASK} */
#define ECONV_NEWLINE_DECORATOR_WRITE_MASK      RUBY_ECONV_NEWLINE_DECORATOR_WRITE_MASK /**< @old{RUBY_ECONV_NEWLINE_DECORATOR_WRITE_MASK} */
#define ECONV_UNIVERSAL_NEWLINE_DECORATOR       RUBY_ECONV_UNIVERSAL_NEWLINE_DECORATOR  /**< @old{RUBY_ECONV_UNIVERSAL_NEWLINE_DECORATOR} */
#define ECONV_CRLF_NEWLINE_DECORATOR            RUBY_ECONV_CRLF_NEWLINE_DECORATOR       /**< @old{RUBY_ECONV_CRLF_NEWLINE_DECORATOR} */
#define ECONV_CR_NEWLINE_DECORATOR              RUBY_ECONV_CR_NEWLINE_DECORATOR         /**< @old{RUBY_ECONV_CR_NEWLINE_DECORATOR} */
#define ECONV_LF_NEWLINE_DECORATOR              RUBY_ECONV_LF_NEWLINE_DECORATOR         /**< @old{RUBY_ECONV_LF_NEWLINE_DECORATOR} */
#define ECONV_XML_TEXT_DECORATOR                RUBY_ECONV_XML_TEXT_DECORATOR           /**< @old{RUBY_ECONV_XML_TEXT_DECORATOR} */
#define ECONV_XML_ATTR_CONTENT_DECORATOR        RUBY_ECONV_XML_ATTR_CONTENT_DECORATOR   /**< @old{RUBY_ECONV_XML_ATTR_CONTENT_DECORATOR} */
#define ECONV_STATEFUL_DECORATOR_MASK           RUBY_ECONV_STATEFUL_DECORATOR_MASK      /**< @old{RUBY_ECONV_STATEFUL_DECORATOR_MASK} */
#define ECONV_XML_ATTR_QUOTE_DECORATOR          RUBY_ECONV_XML_ATTR_QUOTE_DECORATOR     /**< @old{RUBY_ECONV_XML_ATTR_QUOTE_DECORATOR} */
#define ECONV_DEFAULT_NEWLINE_DECORATOR         RUBY_ECONV_DEFAULT_NEWLINE_DECORATOR    /**< @old{RUBY_ECONV_DEFAULT_NEWLINE_DECORATOR} */
    /** @} */

    /**
     * @name Flags for rb_econv_convert()
     *
     * @{
     */

    /** Indicates the input is a part of much larger one. */
    RUBY_ECONV_PARTIAL_INPUT                    = 0x00020000,

    /** Instructs the converter to stop after output. */
    RUBY_ECONV_AFTER_OUTPUT                     = 0x00040000,
#define ECONV_PARTIAL_INPUT                     RUBY_ECONV_PARTIAL_INPUT /**< @old{RUBY_ECONV_PARTIAL_INPUT} */
#define ECONV_AFTER_OUTPUT                      RUBY_ECONV_AFTER_OUTPUT  /**< @old{RUBY_ECONV_AFTER_OUTPUT} */

    RUBY_ECONV_FLAGS_PLACEHOLDER /**< Placeholder (not used) */
};

RBIMPL_SYMBOL_EXPORT_END()

#endif /* RUBY_INTERNAL_ENCODING_TRANSCODE_H */
Name	Size	Permission
coderange.h	8078 bytes	0644
ctype.h	8023 bytes	0644
encoding.h	37300 bytes	0644
pathname.h	6928 bytes	0644
re.h	2286 bytes	0644
sprintf.h	3456 bytes	0644
string.h	15613 bytes	0644
symbol.h	4520 bytes	0644
transcode.h	25725 bytes	0644
File Content: transcode.h

File Content: `transcode.h`
