/*
 * core.i :  SWIG interface file for various core SVN and APR components
 *
 * ====================================================================
 * Copyright (c) 2000-2003 CollabNet.  All rights reserved.
 *
 * This software is licensed as described in the file COPYING, which
 * you should have received as part of this distribution.  The terms
 * are also available at http://subversion.tigris.org/license-1.html.
 * If newer versions of this license are posted there, you may use a
 * newer version instead, at your option.
 *
 * This software consists of voluntary contributions made by many
 * individuals.  For exact contribution history, see the revision
 * history and logs, available at http://subversion.tigris.org/.
 * ====================================================================
 */

#if defined(SWIGPERL)
%module "SVN::_Core"
#elif defined(SWIGRUBY)
%module "svn::ext::core"
#else
%module core
#endif

%include typemaps.i

%{
#include <apr.h>
#include <apr_general.h>

#include "svn_io.h"
#include "svn_pools.h"
#include "svn_version.h"
#include "svn_time.h"
#include "svn_props.h"
#include "svn_opt.h"
#include "svn_auth.h"
#include "svn_config.h"
#include "svn_version.h"
#include "svn_md5.h"
#include "svn_diff.h"
#include "svn_error_codes.h"

#ifdef SWIGPYTHON
#include "swigutil_py.h"
#endif

#ifdef SWIGPERL
#include "swigutil_pl.h"
#endif

#ifdef SWIGRUBY
#include "swigutil_rb.h"
#endif
%}

/* We don't want to hear about supposedly bad constant values */
#pragma SWIG nowarn=305

/* ### for now, let's ignore this thing. */
#ifndef SWIGRUBY
%ignore svn_prop_t;
#endif

/* -----------------------------------------------------------------------
   The following struct members have to be read-only because otherwise
   strings assigned to then would never be freed, resulting in memory
   leaks. This prevents the swig warning "Warning(451): Setting const
   char * member may leak memory."
*/
%immutable svn_log_changed_path_t::copyfrom_path;
%immutable svn_dirent_t::last_author;
%immutable svn_error_t::message;
%immutable svn_error_t::file;

/* ----------------------------------------------------------------------- 
   We want the error code enums wrapped so we must include svn_error_codes.h
   before anything else does. 
*/

%include svn_error_codes.h

/* ----------------------------------------------------------------------- 
   Include svn_types.i early. Other .i files will import svn_types.i which
   then includes svn_types.h, making further includes get skipped. We want
   to actually generate wrappers for svn_types.h, so do an _include_ right
   now, before any _import_ has happened.
*/

%include svn_types.i


/* ----------------------------------------------------------------------- 
   moving along...
*/
%import apr.i
%import svn_types.i
%import svn_string.i

/* ----------------------------------------------------------------------- 
   completely ignore a number of functions. the presumption is that the
   scripting language already has facilities for these things (or they
   are relatively trivial).
*/

/* svn_io.h: We cherry-pick certain functions from this file. To aid in this,
 * EVERY function in the file is listed in the order it appears, and is either
 * %ignore-d, or present as a comment, explicitly documenting that we wrap it.
 */

%ignore svn_io_check_path;
%ignore svn_io_check_special_path;
%ignore svn_io_check_resolved_path;
/* This is useful for implementing svn_ra_callbacks_t->open_tmp_file */ 
// svn_io_open_unique_file
%ignore svn_io_create_unique_link;
%ignore svn_io_read_link;
%ignore svn_io_temp_dir;
%ignore svn_io_copy_file;
%ignore svn_io_copy_link;
%ignore svn_io_copy_dir_recursively;
%ignore svn_io_make_dir_recursively;
%ignore svn_io_dir_empty;
%ignore svn_io_append_file;
%ignore svn_io_set_file_read_only;
%ignore svn_io_set_file_read_write;
%ignore svn_io_set_file_executable;
%ignore svn_io_is_file_executable;
%ignore svn_io_read_length_line;
%ignore svn_io_file_affected_time;
%ignore svn_io_set_file_affected_time;
%ignore svn_io_filesizes_different_p;
// svn_io_file_checksum
// svn_io_files_contents_same_p
%ignore svn_io_file_create;
%ignore svn_io_file_lock;
%ignore svn_io_file_lock2;
%ignore svn_io_file_flush_to_disk;
%ignore svn_io_dir_file_copy;

/* Not useful from scripting languages. Custom streams should be achieved
 * by passing a scripting language native stream into a svn_stream_t *
 * parameter, and letting a typemap using svn_swig_xx_make_stream() take
 * care of the details. */
%ignore svn_stream_create;
%ignore svn_stream_set_baton;
%ignore svn_stream_set_read;
%ignore svn_stream_set_write;
%ignore svn_stream_set_close;

/* The permitted svn_stream and svn_stringbuf functions could possibly
 * be used by a script, in conjunction with other APIs which return or
 * accept streams. This requires that the relevant language's custom
 * svn_stream_t wrapping code does not obstruct this usage. */
// svn_stream_empty
// svn_stream_from_aprfile
// svn_stream_for_stdout
// svn_stream_from_stringbuf
// svn_stream_compressed
// svn_stream_read
// svn_stream_write
// svn_stream_close
#ifdef SWIGRUBY
%ignore svn_stream_read;
%ignore svn_stream_write;
%ignore svn_stream_close;
#endif

/* Scripts can do the printf, then write to a stream.
 * We can't really handle the variadic, so ignore it. */
%ignore svn_stream_printf;

// svn_stream_readline
// svn_stream_copy
// svn_stringbuf_from_file
// svn_stringbuf_from_aprfile

%ignore svn_io_remove_file;
%ignore svn_io_remove_dir;
%ignore svn_io_get_dirents;
%ignore svn_io_dir_walk;
%ignore svn_io_run_cmd;
%ignore svn_io_run_diff;
%ignore svn_io_run_diff3;
// svn_io_detect_mimetype
%ignore svn_io_file_open;
%ignore svn_io_file_close;
%ignore svn_io_file_getc;
%ignore svn_io_file_info_get;
%ignore svn_io_file_read;
%ignore svn_io_file_read_full;
%ignore svn_io_file_seek;
%ignore svn_io_file_write;
%ignore svn_io_file_write_full;
%ignore svn_io_stat;
%ignore svn_io_file_rename;
%ignore svn_io_dir_make;
%ignore svn_io_dir_make_hidden;
%ignore svn_io_dir_make_sgid;
%ignore svn_io_dir_open;
%ignore svn_io_dir_remove_nonrecursive;
%ignore svn_io_dir_read;
%ignore svn_io_read_version_file;
%ignore svn_io_write_version_file;

/* Other files */
%ignore apr_check_dir_empty;

/* bad pool convention */
%ignore svn_opt_print_generic_help;

/* Ugliness because the constants are typedefed and SWIG ignores them
   as a result. */
%constant svn_revnum_t SWIG_SVN_INVALID_REVNUM = -1;
%constant svn_revnum_t SWIG_SVN_IGNORED_REVNUM = -1;

/* -----------------------------------------------------------------------
   these types (as 'type **') will always be an OUT param
*/
%apply SWIGTYPE **OUTPARAM {
  svn_auth_baton_t **, svn_diff_t **, svn_config_t **
}

/* -----------------------------------------------------------------------
   handle the MIME type return value of svn_io_detect_mimetype()
*/
%apply const char **OUTPUT { const char ** };

/* -----------------------------------------------------------------------
   fix up the svn_stream_read() ptr/len arguments
*/
%typemap(python, in) (char *buffer, apr_size_t *len) ($*2_type temp) {
    if (!PyInt_Check($input)) {
        PyErr_SetString(PyExc_TypeError,
                        "expecting an integer for the buffer size");
        return NULL;
    }
    temp = PyInt_AsLong($input);
    if (temp < 0) {
        PyErr_SetString(PyExc_ValueError,
                        "buffer size must be a positive integer");
        return NULL;
    }
    $1 = malloc(temp);
    $2 = ($2_ltype)&temp;
}
%typemap(perl5, in) (char *buffer, apr_size_t *len) ($*2_type temp) {
    temp = SvIV($input);
    $1 = malloc(temp);
    $2 = ($2_ltype)&temp;
}
%typemap(ruby, in) (char *buffer, apr_size_t *len) ($*2_type temp) {
    temp = NUM2LONG($input);
    $1 = malloc(temp);
    $2 = ($2_ltype)&temp;
}

/* ### need to use freearg or somesuch to ensure the string is freed.
   ### watch out for 'return' anywhere in the binding code. */

%typemap(python, argout, fragment="t_output_helper") (char *buffer, apr_size_t *len) {
    $result = t_output_helper($result, PyString_FromStringAndSize($1, *$2));
    free($1);
}
%typemap(perl5, argout) (char *buffer, apr_size_t *len) {
    $result = sv_newmortal();
    sv_setpvn ($result, $1, *$2);
    free($1);
    argvi++;
}
%typemap(ruby, argout, fragment="output_helper") (char *buffer, apr_size_t *len)
{
  $result = output_helper($result, *$2 == 0 ? Qnil : rb_str_new($1, *$2));
  free($1);
}

/* -----------------------------------------------------------------------
   fix up the svn_stream_write() ptr/len arguments
*/
%typemap(python, in) (const char *data, apr_size_t *len) ($*2_type temp) {
    if (!PyString_Check($input)) {
        PyErr_SetString(PyExc_TypeError,
                        "expecting a string for the buffer");
        return NULL;
    }
    $1 = PyString_AS_STRING($input);
    temp = PyString_GET_SIZE($input);
    $2 = ($2_ltype)&temp;
}
%typemap(perl5, in) (const char *data, apr_size_t *len) ($*2_type temp) {
    $1 = SvPV($input, temp);
    $2 = ($2_ltype)&temp;
}
%typemap(ruby, in) (const char *data, apr_size_t *len) ($*2_type temp)
{
  $1 = StringValuePtr($input);
  temp = RSTRING($input)->len;
  $2 = ($2_ltype)&temp;
}

%typemap(python, argout, fragment="t_output_helper") (const char *data, apr_size_t *len) {
    $result = t_output_helper($result, PyInt_FromLong(*$2));
}

%typemap(perl5, argout, fragment="t_output_helper") (const char *data, apr_size_t *len) {
    $result = sv_2mortal (newSViv(*$2));
}

%typemap(ruby, argout, fragment="output_helper") (const char *data, apr_size_t *len)
{
    $result = output_helper($result, LONG2NUM(*$2));
}

/* -----------------------------------------------------------------------
   auth provider convertors 
*/
%typemap(perl5, in) apr_array_header_t *providers {
    $1 = (apr_array_header_t *) svn_swig_pl_objs_to_array($input, SWIGTYPE_p_svn_auth_provider_object_t, _global_pool);
}

%typemap(python, in) apr_array_header_t *providers {
    svn_auth_provider_object_t *provider;
    int targlen;
    if (!PySequence_Check($input)) {
        PyErr_SetString(PyExc_TypeError, "not a sequence");
        return NULL;
    }
    targlen = PySequence_Length($input);
    $1 = apr_array_make(_global_pool, targlen, sizeof(provider));
    ($1)->nelts = targlen;
    while (targlen--) {
        SWIG_ConvertPtr(PySequence_GetItem($input, targlen),
                        (void **)&provider, 
                        $descriptor(svn_auth_provider_object_t *),
                        SWIG_POINTER_EXCEPTION | 0);
        APR_ARRAY_IDX($1, targlen, svn_auth_provider_object_t *) = provider;
    }
}

%typemap(ruby, in) apr_array_header_t *providers
{
  $1 = svn_swig_rb_array_to_auth_provider_object_apr_array($input, _global_pool);
}

/* -----------------------------------------------------------------------
   auth parameter set/get
*/
%typemap(python, in) const void *value {
    if (PyString_Check($input)) {
        $1 = (void *)PyString_AS_STRING($input);
    }
    else if (PyLong_Check($input)) {
        $1 = (void *)PyLong_AsLong($input);
    }
    else if (PyInt_Check($input)) {
        $1 = (void *)PyInt_AsLong($input);
    }
    else {
        PyErr_SetString(PyExc_TypeError, "not a known type");
        return NULL;
    }
}

%ignore svn_auth_get_parameter;

/* -----------------------------------------------------------------------
   describe how to pass a FILE* as a parameter (svn_stream_from_stdio)
*/
%typemap(python, in) FILE * {
    $1 = PyFile_AsFile($input);
    if ($1 == NULL) {
        PyErr_SetString(PyExc_ValueError, "Must pass in a valid file object");
        return NULL;
    }
}
%typemap(perl5, in) FILE * {
    $1 = PerlIO_exportFILE (IoIFP (sv_2io ($input)), NULL);
}

/* -----------------------------------------------------------------------
   wrap some specific APR functionality
*/

apr_status_t apr_initialize(void);
void apr_terminate(void);

apr_status_t apr_time_ansi_put(apr_time_t *result, time_t input);

void apr_pool_destroy(apr_pool_t *p);
void apr_pool_clear(apr_pool_t *p);

apr_status_t apr_file_open_stdout (apr_file_t **out, apr_pool_t *pool);
apr_status_t apr_file_open_stderr (apr_file_t **out, apr_pool_t *pool);

/* -----------------------------------------------------------------------
   pool functions renaming since swig doesn't take care of the #define's
*/
%rename (svn_pool_create) svn_pool_create_ex;
%ignore svn_pool_create_ex_debug;
%typemap(default) apr_allocator_t *allocator {
    $1 = NULL;
}

/* -----------------------------------------------------------------------
   Default pool handling for perl.
*/
#ifdef SWIGPERL

/* Fix for SWIG 1.3.24 */
#if SWIG_VERSION == 0x010324
%typemap(varin) apr_pool_t * {
  void *temp;
  if (SWIG_ConvertPtr($input, (void **) &temp, $1_descriptor,0) < 0) {
    croak("Type error in argument $argnum of $symname. Expected $1_mangle");
  }
  $1 = ($1_ltype) temp;
}
#endif

apr_pool_t *current_pool;

%{

static apr_pool_t *current_pool = 0;

SWIGEXPORT(apr_pool_t *)
svn_swig_pl_get_current_pool (void)
{
  return current_pool;
}

SWIGEXPORT(void)
svn_swig_pl_set_current_pool (apr_pool_t *pool)
{
  current_pool = pool;
}

%}

#endif

/* -----------------------------------------------------------------------
   wrap config functions
*/

%typemap(perl5,in,numinputs=0) apr_hash_t **cfg_hash = apr_hash_t **OUTPUT;
%typemap(perl5,argout) apr_hash_t **cfg_hash {
    ST(argvi++) = svn_swig_pl_convert_hash(*$1, SWIGTYPE_p_svn_config_t);
}

%typemap(perl5, in) (svn_config_enumerator_t callback, void *baton) {
    $1 = svn_swig_pl_thunk_config_enumerator,
    $2 = (void *)$input;
};

%typemap(ruby, in, numinputs=0) apr_hash_t **cfg_hash = apr_hash_t **OUTPUT;
%typemap(ruby, argout) apr_hash_t **cfg_hash {
  $result = svn_swig_rb_apr_hash_to_hash_swig_type(*$1, "svn_config_t *");
}

%typemap(python,in,numinputs=0) apr_hash_t **cfg_hash = apr_hash_t **OUTPUT;
%typemap(python,argout,fragment="t_output_helper") apr_hash_t **cfg_hash {
    $result = t_output_helper(
        $result,
        SWIG_NewPointerObj(*$1, SWIGTYPE_p_apr_hash_t, 0));
}

/* Allow None to be passed as config_dir argument */
%typemap(python,in,parse="z") const char *config_dir "";
%typemap(ruby, in) const char *config_dir {
  if (NIL_P($input)) {
    $1 = "";
  } else {
    $1 = StringValuePtr($input);
  }
}

#ifdef SWIGPYTHON
PyObject *svn_swig_py_exception_type(void);
#endif

/* svn_prop_diffs */
%typemap(ruby, in, numinputs=0)
     apr_array_header_t **propdiffs (apr_array_header_t *temp)
{
  $1 = &temp;
}

%typemap(ruby, argout, fragment="output_helper") apr_array_header_t **propdiffs
{
  $result = output_helper($result, svn_swig_rb_apr_array_to_array_prop(*$1));
}

%apply apr_hash_t *PROPHASH {
  apr_hash_t *target_props,
  apr_hash_t *source_props
};

%typemap(ruby, in) apr_array_header_t *proplist
{
  $1 = svn_swig_rb_array_to_apr_array_prop($input, _global_pool);
}

%apply apr_array_header_t **OUTPUT_OF_PROP {
  apr_array_header_t **entry_props,
  apr_array_header_t **wc_props,
  apr_array_header_t **regular_props
};

/* ----------------------------------------------------------------------- */

%include svn_types.h
%include svn_pools.h
%include svn_version.h
%include svn_time.h
#ifdef SWIGRUBY
%immutable name;
%immutable value;
#endif
%include svn_props.h
#ifdef SWIGRUBY
%mutable name;
%mutable value;
#endif
%include svn_opt.h
%include svn_auth.h
%include svn_config.h
%include svn_version.h


/* SWIG won't follow through to APR's defining this to be empty, so we
   need to do it manually, before SWIG sees this in svn_io.h. */
#define __attribute__(x)

%include svn_io.h

#ifdef SWIGPERL
%include svn_diff.h
%include svn_error.h
#endif

#ifdef SWIGPYTHON
%init %{
/* This is a hack.  I dunno if we can count on SWIG calling the module "m" */
PyModule_AddObject(m, "SubversionException", 
                   svn_swig_py_register_exception());
%}

%pythoncode %{
SubversionException = _core.SubversionException
%}
#endif

#ifdef SWIGRUBY
%include svn_diff.h
%rename(svn_stream_read) svn_stream_read_;
%rename(svn_stream_write) svn_stream_write_;
%rename(svn_stream_close) svn_stream_close_;
%inline %{
svn_error_t *
svn_stream_read_ (svn_stream_t *stream, char *buffer,
                 apr_size_t *len, apr_pool_t *pool)
{
  if (NIL_P(pool)) {
    rb_raise(rb_eArgError, "pool must be not nil");
  }
  return svn_stream_read(stream, buffer, len);
}
svn_error_t *
svn_stream_write_ (svn_stream_t *stream, const char *data,
                    apr_size_t *len, apr_pool_t *pool)
{
  if (NIL_P(pool)) {
    rb_raise(rb_eArgError, "pool must be not nil");
  }
  return svn_stream_write(stream, data, len);
}
svn_error_t *
svn_stream_close_ (svn_stream_t *stream, apr_pool_t *pool)
{
  if (NIL_P(pool)) {
    rb_raise(rb_eArgError, "pool must be not nil");
  }
  return svn_stream_close(stream);
}
%}
REMOVE_DESTRUCTOR(svn_error_t)
REMOVE_DESTRUCTOR(svn_dirent_t)
REMOVE_DESTRUCTOR(svn_prop_t)
REMOVE_DESTRUCTOR(svn_log_changed_path_t)
REMOVE_DESTRUCTOR(svn_version_checklist_t)
REMOVE_DESTRUCTOR(svn_opt_subcommand_desc_t)
REMOVE_DESTRUCTOR(svn_opt_revision_t)
REMOVE_DESTRUCTOR(svn_opt_revision_t_value)
REMOVE_DESTRUCTOR(svn_auth_provider_t)
REMOVE_DESTRUCTOR(svn_auth_provider_object_t)
REMOVE_DESTRUCTOR(svn_auth_cred_simple_t)
REMOVE_DESTRUCTOR(svn_auth_cred_username_t)
REMOVE_DESTRUCTOR(svn_auth_cred_ssl_client_cert_t)
REMOVE_DESTRUCTOR(svn_auth_cred_ssl_client_cert_pw_t)
REMOVE_DESTRUCTOR(svn_auth_ssl_server_cert_info_t)
REMOVE_DESTRUCTOR(svn_auth_cred_ssl_server_trust_t)
REMOVE_DESTRUCTOR(svn_diff_fns_t)
REMOVE_DESTRUCTOR(svn_diff_output_fns_t)
#endif