summaryrefslogtreecommitdiff
path: root/support/dktools/dk4fnewc.ctr
blob: d1559586b38f7c65c511c611d842750020699738 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
%%	options

copyright owner	=	Dirk Krause
copyright year	=	2015-xxxx
license		=	bsd



%%	header

/**	@file
	File name expander.

	CRT on Windows: Optional.
*/

#ifndef DK4DIRWC_H_INCLUDED
#include "dk4dirwc.h"
#endif

#ifdef __cplusplus
extern "C" {
#endif

/**	Expand a file name.
	@param	pattern	File name pattern, may optionally include
	a directory part.
	@param	erp	Error report, may be NULL.
	@return	Directory structure on success, NULL on error.
	On success the path component in the returned directory structure
	is NULL if the pattern did not contain a directory part.
	
	Error codes:
	- DK4_E_INVALID_ARGUMENTS<br>
	  if path is NULL,
	- DK4_E_NOT_SUPPORTED<br>
	  if no function to traverse directories was found during build
	  process or the function is called on a non-Windows system,
	- DK4_E_MEMORY_ALLOCATION_FAILED<br>
	  if a memory allocation failed,
	- DK4_E_MATH_OVERFLOW<br>
	  if a mathematical overflow occured in a size calculation,
	- DK4_E_BUFFER_TOO_SMALL<br>
	  if one of the involved directory or file names is too long for an
	  internal buffer,
	- DK4_E_OPENDIR_FAILED<br>
	  with errno value in iDetails1 if the attempt to open the directory
	  failed,
	- DK4_E_FINDFIRSTFILE_FAILED<br>
	  with GetLastError() value in lDetails1 if the FindFirstFile()
	  function failed on Windows,
	- DK4_E_SYSTEM<br>
	  if the stat() or lstat() function failed for one of the directory
	  items.
*/
dk4_dir_wc_t *
dk4fne_open_wc(const wchar_t *pattern, dk4_er_t *erp);

#ifdef __cplusplus
}
#endif

%%	module


#include "dk4conf.h"

#if DK4_ON_WINDOWS
#ifndef WINDOWS_H_INCLUDED
#include <windows.h>
#define	WINDOWS_H_INCLUDED 1
#endif
#endif

#include "dk4fnewc.h"
#include "dk4strw.h"
#include "dk4mem.h"

#if DK4_HAVE_WCHAR_H
#ifndef WCHAR_H_INCLUDED
#include <wchar.h>
#define WCHAR_H_INCLUDED 1
#endif
#endif

$!trace-include



#if DK4_ON_WINDOWS



/**	Constant texts used by the module.
*/
static const wchar_t * const dk4fne_wc_kw[] = {
$!string-table prefix=L
.
..
$!end
};



static
int
dk4fne_wc_fill_directory(dk4_dir_wc_t *ptr, const wchar_t *fn, dk4_er_t *erp)
{
  WIN32_FIND_DATAW		 ffdata;
  wchar_t			*nn;
  HANDLE			 ffres;
  int				 back = 0;
  $? "+ dk4fne_wc_fill_directory"
  ffres = FindFirstFileW(fn, &ffdata);
  if (INVALID_HANDLE_VALUE != ffres) {
    back = 1;
    do {
      if (0 != dk4strw_cmp(dk4fne_wc_kw[0], ffdata.cFileName)) {
        if (0 != dk4strw_cmp(dk4fne_wc_kw[1], ffdata.cFileName)) {
	  nn = dk4strw_dup(ffdata.cFileName, erp);
	  if (NULL != nn) {
	    if (0 != (FILE_ATTRIBUTE_DIRECTORY & (ffdata.dwFileAttributes))) {
	      if (0 == dk4sto_add(ptr->s_dir, (void *)nn, erp)) {
	        back = 0;
		dk4mem_free(nn);
	      }
	    } else {
	      if (0 == dk4sto_add(ptr->s_file, (void *)nn, erp)) {
	        back = 0;
		dk4mem_free(nn);
	      }
	    }
	  } else {
	    back = 0;
	  }
	}
      }
    } while (FindNextFileW(ffres, &ffdata));
    FindClose(ffres);
  } else {					$? "! FindFirstFileW"
    /* ERROR: FindFirstFile failed */
    dk4error_set_ldetails(
      erp, DK4_E_FINDFIRSTFILE_FAILED,
      (long)((unsigned long)GetLastError())
    );
  } $? "- dk4fne_wc_fill_directory"
  return back;
}
#endif



dk4_dir_wc_t *
dk4fne_open_wc(const wchar_t *fn, dk4_er_t *erp)
{
#if DK4_ON_WINDOWS
  dk4_dir_wc_t	*back	= NULL;
  wchar_t	*p1	= NULL;
  int		 ok	= 0;
  $? "+ dk4fne_open_wc"
  if (NULL != fn) {
    back = dk4mem_new(dk4_dir_wc_t, 1, erp);
    if (NULL != back) {				$? ". memory"
      back->path = NULL;
      back->s_dir = NULL;
      back->i_dir = NULL;
      back->s_file = NULL;
      back->i_file = NULL;
      back->path = dk4strw_dup(fn, erp);
      if (NULL != back->path) {			$? ". strdup"
        p1 = dk4strw_rchr(back->path, L'\\');
	if (NULL != p1) {
	  *p1 = L'\0';
	} else {
	  dk4mem_free(back->path);
	  back->path = NULL;
	}
        back->s_dir = dk4sto_open(erp);
	if (NULL != back->s_dir) {
	  dk4sto_set_comp(back->s_dir, dk4dir_wc_compare, 0);
	  back->i_dir = dk4sto_it_open(back->s_dir, erp);
	  if (NULL != back->i_dir) {
	    back->s_file = dk4sto_open(erp);
	    if (NULL != back->s_file) {
	      dk4sto_set_comp(back->s_file, dk4dir_wc_compare, 0);
	      back->i_file = dk4sto_it_open(back->s_file, erp);
	      if (NULL != back->i_file) {	$? ". storages/iterators ok"
	        ok = dk4fne_wc_fill_directory(back, fn, erp);
	      } else {				$? "! i_file"
	      }
	    } else {				$? "! s_file"
	    }
	  } else {				$? "! i_dir"
	  }
	} else {				$? "! s_dir"
	}
      } else {					$? "! strdup"
      }
      if (0 == ok) {
        dk4dir_wc_close(back);
	back = NULL;
      }
    } else {					$? "! memory"
    }
  } else {
    dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
  } $? "- dk4fne_open_wc PTR=%d", TR_IPTR(back)
  return back;
#else
  dk4error_set_simple_error_code(erp, DK4_E_NOT_SUPPORTED);
  return 0;
#endif
}