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path: root/support/dktools/dk4wxpref.cpp
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/*
	WARNING: This file was generated by dkct.
	Changes you make here will be lost if dkct is run again!
	You should modify the original source and run dkct on it.
	Original source: dk4wxpref.cpt
*/

/*
Copyright (C) 2015-2017, Dirk Krause

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

* Redistributions of source code must retain the above copyright notice,
  this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above opyright notice,
  this list of conditions and the following disclaimer in the documentation
  and/or other materials provided with the distribution.
* Neither the name of the author nor the names of contributors may be used
  to endorse or promote products derived from this software without specific
  prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

/**	@file dk4wxpref.cpp The dk4wxpref module.
*/


#line 160 "dk4wxpref.cpt"

#include "dk4wxpref.h"
#include "dk4strd.h"
#include "dk4strx.h"
#include "dk4recwx.h"
#include "dk4mem.h"
#include "dk4mpl.h"
#include "dk4tspdk.h"
#include "dk4fs.h"





#line 173 "dk4wxpref.cpt"



/**	Preference reading helper structure.
*/
typedef struct {
  dk4_sto_t		*spref;		/**< Preference storage. */
  dk4_sto_it_t		*ipref;		/**< Preferences iterator. */
  const dkChar		*nameApp;	/**< Application name. */
  const dkChar		*nameGrp;	/**< Application group name. */
  const	dkChar		*nameLog;	/**< Users login name. */
  const dkChar		*nameHost;	/**< Host name. */
  const dkChar		*language;	/**< Users language. */
  const dkChar		*region;	/**< Users region. */
  wxChar		*wx1;		/**< One wxChar buffer. */
  wxChar		*wx2;		/**< Other wxChar buffer. */
  size_t		 szwx;		/**< Size of wxChar buffers. */
  int			 encWx;		/**< Encoding for wxChar. */
  int			 encDk;		/**< Encoding for dkChar. */
  int			 compat;	/**< Flag: Compatible mode. */
  int			 insc;		/**< Flag: In scope. */
  int			 lasc;		/**< Flag: Previous line was scope. */
} dk4_wx_pref_rd_t;



/**	Constant keywords used by the module, not localized.
*/
static const dkChar * const	dk4wxpref_kw_dk[] = {
/* 0 */
dkT("dk3pref.conf"),

/* 1 */
dkT("dk4pref.conf"),

/* 2 */
dkT("*"),

NULL


#line 213 "dk4wxpref.cpt"
};



/**	Names for scope settings.
*/
static const dkChar * const	dk4wxpref_scope_names[] = {
/* 0 */
dkT("user"),

/* 1 */
dkT("application"),

/* 2 */
dkT("application-group"),

/* 3 */
dkT("host"),

/* 4 */
dkT("windows"),

/* 5 */
dkT("non-windows"),

/* 6 */
dkT("language"),

/* 7 */
dkT("region"),

NULL


#line 254 "dk4wxpref.cpt"
};


void
dk4wxpref_close(dk4_wx_pref_t *ptr)
{
  if (NULL != ptr) {
    dk4mem_release(ptr->name);
    dk4mem_release(ptr->value);
    dk4mem_free(ptr);
  }
}



dk4_wx_pref_t *
dk4wxpref_open(const wxChar *name, const wxChar *value, dk4_er_t *erp)
{
  dk4_wx_pref_t	*back	= NULL;
  if ((NULL != name) && (NULL != value)) {
    back = dk4mem_new(dk4_wx_pref_t,1,erp);
    if (NULL != back) {
      back->name = back->value = NULL;
      back->name = dk4strx_dup(name, erp);
      back->value = dk4strx_dup(value, erp);
      if ((NULL == back->name) || (NULL == back->value)) {
        dk4wxpref_close(back);
	back = NULL;
      } else {
        dk4error_set_simple_error_code(erp, DK4_E_MEMORY_ALLOCATION_FAILED);
      }
    } else {
      dk4error_set_simple_error_code(erp, DK4_E_MEMORY_ALLOCATION_FAILED);
    }
  } else {
    dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
  }
  return back;
}



int
dk4wxpref_compare(const void *l, const void *r, int cr)
{
  const dk4_wx_pref_t	*lptr;
  const dk4_wx_pref_t	*rptr;
  int			 back = 0;
  if (NULL != l) {
    if (NULL != r) {
      lptr = (const dk4_wx_pref_t *)l;
      switch (cr) {
        case 1: {
	  if (NULL != lptr->name) {
	    back = dk4strx_cmp(lptr->name, (const wxChar *)r);
	  } else back = -1;
	} break;
	default: {
	  rptr = (const dk4_wx_pref_t *)r;
	  if (NULL != lptr->name) {
	    if (NULL != rptr->name) {
	      back = dk4strx_cmp(lptr->name, rptr->name);
	    } else back = 1;
	  } else {
	    if (NULL != rptr->name) back = -1;
	  }
	} break;
      }
      if (-1 > back) back = -1;
      if ( 1 < back) back =  1;
    } else back = 1;
  } else {
    if (NULL != r) back = -1;
  }
  return back;
}



#if DK4_HAVE_COMPATDKTOOLS3

/**	Modify version 3 preference names to version 4 names.
	I.e. /a/b/c -> a.b.c
	@param	pstr	String to modify.
*/
static
void
dk4wxpref_modify_compatible(dkChar *pstr)
{
  if (dkT('/') == *pstr) {
    dk4str_cpy_to_left(pstr, &(pstr[1]));
  }
  while (dkT('\0') != *pstr) {
    if (dkT('/') == *pstr) { *pstr = dkT('.'); }
    pstr++;
  }
}

#endif



/**	Test one scope entry.
	@param	rd	Reader object.
	@param	scn	Scope part name.
	@return	1 if test succeeded, 0 otherwise.
*/
static
int
dk4wxpref_check_one_scope_entry(dk4_wx_pref_rd_t *rd, dkChar *scn)
{
  dkChar	*scv	= NULL;
  int		 back	= 1;
  scn = dk4str_start(scn, NULL);
  if (NULL != scn) {
    scv = dk4str_chr(scn, dkT('='));
    if (NULL != scv) {
      *(scv++) = dkT('\0'); scv = dk4str_start(scv, NULL);
    }
    dk4str_normalize(scn, NULL);
    if (NULL != scv) { dk4str_normalize(scv, NULL); }
    back = 0;
    switch (dk4str_array_index(dk4wxpref_scope_names, scn, 0)) {
      case 0: {	/* user */
        if (NULL != scv) {
	  if (0 == dk4str_cmp(dk4wxpref_kw_dk[2], scv)) {
	    back = 1;
	  } else {
	    if (NULL != rd->nameLog) {
#if DK4_HAVE_CASE_INSENSITIVE_USERNAMES
	      if (0 == dk4str_casecmp(rd->nameLog, scv))
#else
	      if (0 == dk4str_cmp(rd->nameLog, scv))
#endif
	      {
	        back = 1;
	      }
	    }
	  }
	}
      } break;
      case 1: {	/* application */
        if (NULL != scv) {
	  if (0 == dk4str_cmp(dk4wxpref_kw_dk[2], scv)) {
	    back = 1;
	  } else {
	    if (NULL != rd->nameApp) {
	      if (0 == dk4str_cmp(rd->nameApp, scv)) {
	        back = 1;
	      }
	    }
	  }
	}
      } break;
      case 2: {	/* application group */
        if (NULL != scv) {
	  if (0 == dk4str_cmp(dk4wxpref_kw_dk[2], scv)) {
	    back = 1;
	  } else {
	    if (NULL != rd->nameGrp) {
	      if (0 == dk4str_cmp(rd->nameGrp, scv)) {
	        back = 1;
	      }
	    }
	  }
	}
      } break;
      case 3: {	/* host */
        if (NULL != scv) {
	  if (0 == dk4str_cmp(dk4wxpref_kw_dk[2], scv)) {
	    back = 1;
	  } else {
	    if (NULL != rd->nameHost) {
	      if (0 == dk4str_casecmp(rd->nameHost, scv)) {
	        back = 1;
	      }
	    }
	  }
	}
      } break;
      case 4: {	/* windows */
        if (NULL != scv) {
	  if (0 != dk4str_is_on(scv)) {
#if DK4_ON_WINDOWS
	    back = 1;
#endif
	  } else {
#if !(DK4_ON_WINDOWS)
	    back = 1;
#endif
	  }
	} else {
#if DK4_ON_WINDOWS
	  back = 1;
#endif
	}
      } break;
      case 5: {	/* non-windows */
	if (NULL != scv) {
	  if (0 != dk4str_is_on(scv)) {
#if !(DK4_ON_WINDOWS)
	    back = 1;
#endif
	  } else {
#if DK4_ON_WINDOWS
	    back = 1;
#endif
	  }
	} else {
#if !(DK4_ON_WINDOWS)
	  back = 1;
#endif
	}
      } break;
      case 6: {	/* language */
        if (NULL != scv) {
	  if (0 == dk4str_cmp(dk4wxpref_kw_dk[2], scv)) {
	    back = 1;
	  } else {
	    if (NULL != rd->language) {
	      if (0 == dk4str_casecmp(rd->language, scv)) {
	        back = 1;
	      }
	    }
	  }
	}
      } break;
      case 7: {	/* region */
        if (NULL != scv) {
	  if (0 == dk4str_cmp(dk4wxpref_kw_dk[2], scv)) {
	    back = 1;
	  } else {
	    if (NULL != rd->region) {
	      if (0 == dk4str_casecmp(rd->region, scv)) {
	        back = 1;
	      }
	    }
	  }
	}
      } break;
    }
  }
  return back;
}



/**	Process one input line.
	@param	obj		Preferences reader object.
	@param	line		Current line to process.
	@param	lineno		Line number.
	@param	erp		Error report, may be NULL.
	@return	
	DK4_TSP_RES_OK		if processing succeeded,
	DK4_TSP_RES_ERROR	on errors (can continue),
	DK4_TSP_RES_FATAL	on fatal errors (can not continue).

*/
static
int
dk4wxpref_line_handler(
  void		*obj,
  dkChar	*line,
  dk4_um_t	 lineno,
  dk4_er_t	*erp
)
{
  dk4_wx_pref_rd_t	*rd;				/* Reader object */
  dk4_wx_pref_t		*pptr;				/* New pref */
  dkChar		*p1;				/* Pref name */
  dkChar		*p2;				/* Pref value */
  wxChar		*nv;				/* New value */
  int			 isneg;				/* Flag: Not in scope */
  int			 ok;				/* Flag: Tests passed */
  int			 res;				/* Operation result */
  int			 back	= DK4_TSP_RES_OK;	/* Function result */

  rd = (dk4_wx_pref_rd_t *)obj;
  dk4str_delnl(line);
  p1 = dk4str_start(line, NULL);
  if (NULL != p1) {
    if (dkT('#') != *p1) {
      if (dkT('[') == *p1) {	

#line 537 "dk4wxpref.cpt"
        if (0 == rd->lasc) {
	  rd->insc = 0;
	}
	p2 = dk4str_chr(p1, dkT(']'));
	if (NULL != p2) { *p2 = dkT('\0'); }
	p1++;
	if (dkT('-') == *p1) {
	  isneg = 1;
	  p1++;
	} else {
	  isneg = 0;
	}
	ok = 1;
	while (NULL != p1) {
	  p2 = dk4str_chr(p1, dkT(','));
	  if (NULL != p2) {
	    *(p2++) = dkT('\0'); p2 = dk4str_start(p2, NULL);
	  }
	  if (0 == dk4wxpref_check_one_scope_entry(rd, p1)) { ok = 0; }
	  p1 = p2;
	}
	if (1 == ok) {
	  if (0 != isneg) { rd->insc = 0; } else { rd->insc = 1; }
	}
	rd->lasc = 1;
      } else {			

#line 563 "dk4wxpref.cpt"
        if (rd->insc) {
	  p2 = dk4str_chr(p1, dkT('='));
	  if (NULL != p2) {
	    *(p2++) = dkT('\0');
	    p2 = dk4str_start(p2, NULL);
	  }
	  if ((NULL != p1) && (NULL != p2)) {
	    dk4str_normalize(p1, NULL);
	    dk4str_rtwh(p2, NULL);
#if DK4_HAVE_COMPATDKTOOLS3
	    if (0 != rd->compat) {
	      dk4wxpref_modify_compatible(p1);
	    }
#endif
	    res = dk4recwx_dkchar_to_wxchar(
	      rd->wx1, rd->szwx, rd->encWx, p1, rd->encDk, NULL
	    );
	    if (0 < res) {
	      res = dk4recwx_dkchar_to_wxchar(
	        rd->wx2, rd->szwx, rd->encWx, p2, rd->encDk, NULL
	      );
	      if (0 < res) {
	        pptr = (dk4_wx_pref_t *)dk4sto_it_find_like(
		  rd->ipref, rd->wx1, 1
		);
		if (NULL != pptr) {
		  nv = dk4strx_dup(rd->wx2, NULL);
		  if (NULL != nv) {
		    dk4mem_release(pptr->value);
		    pptr->value = nv;
		  }
		} else {
		  pptr = dk4wxpref_open(rd->wx1, rd->wx2, NULL);
		  if (NULL != pptr) {
		    if (0 == dk4sto_add(rd->spref, pptr, NULL)) {
		      dk4wxpref_close(pptr);
		    }
		  }
		}
	      }
	    }
	  }
	}
        rd->lasc = 0;
      }
    } else {			

#line 609 "dk4wxpref.cpt"
    }
  } else {			

#line 611 "dk4wxpref.cpt"
  }
  return back;
}




/**	Use one file.
	@param	spref		Preferences storage.
	@param	ipref		Iterator for preferences storage.
	@param	nameApp		Application name.
	@param	nameGrp		Application group name.
	@param	nameLog		Users login name.
	@param	nameHost	Host name.
	@param	language	Language.
	@param	region		Region.
	@param	fn		File name.
	@param	encWx		Encoding for wxChar strings.
	@param	encDk		Encoding for dkChar strings.
	@param	encFile		Expected encoding for files.
	@param	compat		Flag: In compatibility mode.
*/
static
void
dk4wxpref_one_file(
  dk4_sto_t		*spref,
  dk4_sto_it_t		*ipref,
  const dkChar		*nameApp,
  const dkChar		*nameGrp,
  const	dkChar		*nameLog,
  const dkChar		*nameHost,
  const dkChar		*language,
  const dkChar		*region,
  const dkChar		*fn,
  int			 encWx,
  int			 encDk,
  int			 encFile,
  int			 compat
)
{
  char			 ib[4096];	/* Input buffer for stream read */
  wxChar		 wx1[1024];	/* Buffer for conversion */
  wxChar		 wx2[DK4_SIZEOF(wx1,wxChar)];	/* too */
  dkChar		 il[1024];	/* Input line */
  dk4_wx_pref_rd_t	 rd;		/* Reader object */
  dk4_er_t		 er;		/* Error report */
  dk4_tspdk_t		 tsp;		/* Text stream processing */
  dk4_stream_t		*istrm;		/* Input stream */
  size_t		 szil = DK4_SIZEOF(il,dkChar);	/* Buffer size */
  size_t		 szwx = DK4_SIZEOF(wx1,wxChar);	/* Buffer size */
  size_t		 rb;		/* Bytes read */
  int			 res;		/* Operation result */
  int			 cc;		/* Flag: Can continue */

  dk4error_init(&er);
  istrm = dk4stream_open_file_reader(fn, &er);
  if (NULL != istrm) {
    rd.spref = spref; rd.ipref = ipref;
    rd.nameApp = nameApp; rd.nameGrp = nameGrp; rd.nameLog = nameLog;
    rd.nameHost = nameHost;
    rd.language = language; rd.region = region; rd.compat = compat;
    rd.encWx = encWx; rd.encDk = encDk;
    rd.insc = 1; rd.lasc = 0;
    rd.wx1 = wx1; rd.wx2 = wx2; rd.szwx = szwx;
    res = dk4tspdk_setup_line(
      &tsp, &rd,
      (dk4_dk_line_handler_t *)dk4wxpref_line_handler,
      il, szil, encDk, encFile, &er
    );
    if (0 != res) {
      cc = 1;
      while (1 == cc) {
        cc = 0;
	rb = sizeof(ib);
	if (0 != dk4stream_read(ib, &rb, istrm, &er)) {
	  if (0 < rb) {
	    cc = 1;
	    res = dk4tspdk_add_bytes(&tsp, (const unsigned char *)ib, rb);
	    if (DK4_TSP_RES_FATAL == res) {
	      cc = -1;
	    }
	  }
	}
      }
      if (0 == cc) {
#if VERSION_BEFORE_20150821
        res = dk4tspdk_finish(&tsp);
#else
	(void)dk4tspdk_finish(&tsp);
#endif
      }
    }
    dk4stream_close(istrm, NULL);
  }
}



void
dk4wxpref_one_pass(
  dk4_sto_t		*spref,
  dk4_sto_it_t		*ipref,
  const dkChar		*nameApp,
  const dkChar		*nameGrp,
  const	dkChar		*nameLog,
  const dkChar		*nameHost,
  const dkChar		*language,
  const dkChar		*region,
  const dkChar		*dirHome,
  const dkChar		*dirEtc,
  const dkChar		*dirShare,
  int			 encWx,
  int			 encDk,
  int			 encFile,
  int			 pn
)
{
  dkChar		 fnb[DK4_MAX_PATH];
  dk4_er_t		 er;
  size_t		 szfnb = DK4_SIZEOF(fnb,dkChar);
  int			 res;

#if DK4_HAVE_COMPATDKTOOLS3
  dk4error_init(&er);
  res = dk4fs_config_compat_one(
    fnb, szfnb, dk4wxpref_kw_dk[0], dirShare, dirEtc, dirHome,
    nameApp, nameGrp, pn, 1, 1, &er
  );
  if (0 != res) {
    dk4wxpref_one_file(
      spref, ipref, nameApp, nameGrp, nameLog, nameHost, language, region, fnb,
      encWx, encDk, encFile, 1
    );
  }
#endif
  dk4error_init(&er);
  res = dk4fs_config_one(
    fnb, szfnb, dk4wxpref_kw_dk[1], dirShare, dirEtc, dirHome,
    nameApp, nameGrp, pn, 1, &er
  );
  if (0 != res) {
    dk4wxpref_one_file(
      spref, ipref, nameApp, nameGrp, nameLog, nameHost, language, region, fnb,
      encWx, encDk, encFile, 0
    );
  }
}