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authorNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
committerNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
commite0c6872cf40896c7be36b11dcc744620f10adf1d (patch)
tree60335e10d2f4354b0674ec22d7b53f0f8abee672 /support/dktools/dk4pathw.c
Initial commit
Diffstat (limited to 'support/dktools/dk4pathw.c')
-rw-r--r--support/dktools/dk4pathw.c307
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diff --git a/support/dktools/dk4pathw.c b/support/dktools/dk4pathw.c
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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: dk4pathw.ctr
+*/
+
+/*
+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 dk4pathw.c The dk4pathw module.
+*/
+
+
+#line 110 "dk4pathw.ctr"
+
+
+#include "dk4pathw.h"
+#include "dk4mem.h"
+#include "dk4strw.h"
+
+#if DK4_HAVE_STRING_H
+#ifndef STRING_H_INCLUDED
+#include <string.h>
+#define STRING_H_INCLUDED 1
+#endif
+#endif
+
+#if DK4_HAVE_WCHAR_H
+#ifndef WCHAR_H_INCLUDED
+#include <wchar.h>
+#define WCHAR_H_INCLUDED 1
+#endif
+#endif
+
+
+/** Constant keywords used by the dk4pathw module.
+*/
+static const wchar_t * const dk4pathw_kw[] = {
+#if DK4_HAVE_BACKSLASH_AS_SEP
+/* 0 */ L"\\",
+/* 1 */ L"/",
+#else
+/* 0 */ L"/",
+/* 1 */ L"\\",
+#endif
+/* 2 */ L".",
+/* 3 */ L"..",
+/* 4 */ L":"
+};
+
+
+
+/** Get last character from a string.
+ @param str String to test.
+ @return Last character from string.
+*/
+static
+wchar_t
+dk4pathw_lastchar(const wchar_t *str)
+{
+ wchar_t back = '\0';
+ if (str) { while (L'\0' != *str) { back = *(str++); } }
+ return back;
+}
+
+
+
+int
+dk4pathw_is_absolute(const wchar_t *path)
+{
+ int back = 0;
+#if DK4_ON_WINDOWS
+ wchar_t c;
+#endif
+ if (NULL != path) {
+#if DK4_ON_WINDOWS
+ c = *path;
+ if ( *(dk4pathw_kw[0]) == c ) {
+ back = 1;
+ } else {
+ if (((L'a' <= c) && (L'z' >= c)) || ((L'A' <= c) && (L'Z' >= c))) {
+ if ( *(dk4pathw_kw[4]) == path[1] ) {
+ c = path[2];
+ if ( ( *(dk4pathw_kw[0]) == c ) || ( L'\0' == c ) ) {
+ back = 1;
+ }
+ }
+ }
+ }
+#else
+ if ( *(dk4pathw_kw[0]) == *path ) {
+ back = 1;
+ }
+#endif
+ }
+ return back;
+}
+
+
+
+int
+dk4pathw_is_relative(const wchar_t *path)
+{
+ int back = 0;
+ if (NULL != path) {
+ if (NULL != dk4strw_chr(path, *(dk4pathw_kw[0]))) {
+ if (0 == dk4pathw_is_absolute(path)) {
+ back = 1;
+ }
+ }
+ }
+ return back;
+}
+
+
+
+int
+dk4pathw_append(
+ wchar_t *buffer, size_t sz, const wchar_t *filename, dk4_er_t *erp
+)
+{
+ wchar_t *pc; /* Current path part to append */
+ wchar_t *pn; /* Next part to append */
+ wchar_t *pd; /* Part to delete */
+ wchar_t *mycp = NULL; /* Private copy */
+#if DK4_ON_WINDOWS
+ int ischr;
+#endif
+ int back = 0; /* Function result */
+ int failed = 0; /* Definitely failed */
+ wchar_t lch; /* Last character from string */
+
+ if ((NULL != buffer) && (NULL != filename) && (0 < sz)) {
+ mycp = dk4strw_dup(filename, erp);
+ if (NULL != mycp) {
+ pc = mycp;
+ while ((NULL != pc) && (0 == failed)) {
+ pn = dk4strw_chr(pc, *(dk4pathw_kw[0]));
+ if (NULL != pn) { *(pn++) = L'\0'; }
+ if (0 != dk4strw_cmp(pc, dk4pathw_kw[2])) {
+ if (0 == dk4strw_cmp(pc, dk4pathw_kw[3])) { /* Remove from buffer */
+ pd = dk4strw_rchr(buffer, *(dk4pathw_kw[0]));
+ if (NULL != pd) {
+ *pd = L'\0';
+ if (0 < dk4strw_len(&(pd[1]))) {
+#if DK4_ON_WINDOWS
+ if (2 == dk4strw_len(buffer)) {
+ ischr = 0;
+ if ((L'A' <= buffer[0]) && (L'Z' >= buffer[0])) {
+ ischr = 1;
+ }
+ if ((L'a' <= buffer[0]) && (L'z' >= buffer[0])) {
+ ischr = 1;
+ }
+ if (1 == ischr) {
+ if (L':' == buffer[1]) {
+ buffer[2] = *(dk4pathw_kw[0]);
+ buffer[3] = L'\0';
+ }
+ }
+ }
+#else
+ if (0 == dk4strw_len(buffer)) {
+ *pd = *(dk4pathw_kw[0]);
+ pd++;
+ *pd = L'\0';
+ }
+#endif
+ } else {
+ failed = 1;
+ dk4error_set_simple_error_code(erp, DK4_E_SYNTAX);
+ }
+ } else {
+ failed = 1;
+ dk4error_set_simple_error_code(erp, DK4_E_SYNTAX);
+ }
+ } else { /* Add to buffer */
+ lch = dk4pathw_lastchar(buffer);
+ if (lch != *(dk4pathw_kw[0])) {
+ if (0 != dk4strw_cat_s(buffer, sz, dk4pathw_kw[0], erp)) {
+ if (0 == dk4strw_cat_s(buffer, sz, pc, erp)) {
+ failed = 1;
+ }
+ } else {
+ failed = 1;
+ }
+ } else {
+ if (0 == dk4strw_cat_s(buffer, sz, pc, erp)) {
+ failed = 1;
+ }
+ }
+ }
+ }
+ pc = pn;
+ }
+ if (0 == failed) {
+ back = 1;
+ }
+ dk4mem_release(mycp);
+ }
+ } else {
+ dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
+ }
+ return back;
+}
+
+
+
+wchar_t *
+dk4pathw_get_suffix(const wchar_t *filename, dk4_er_t *erp)
+{
+ const wchar_t *back = NULL;
+ if (NULL != filename) {
+ while (L'\0' != *filename) {
+ if ((L'\\' == *filename) || (L'/' == *filename)) {
+ back = NULL;
+ } else {
+ if (L'.' == *filename) {
+ back = filename;
+ }
+ }
+ filename++;
+ }
+ } else {
+ dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
+ }
+ return ((wchar_t *)back);
+}
+
+
+
+void
+dk4pathw_correct_sep(wchar_t *filename)
+{
+ if (NULL != filename) {
+ while (L'\0' != *filename) {
+#if DK4_HAVE_BACKSLASH_AS_SEP
+ if (L'/' == *filename) { *filename = L'\\'; }
+#else
+ if (L'\\' == *filename) { *filename = L'/'; }
+#endif
+ filename++;
+ }
+ }
+}
+
+
+
+int
+dk4pathw_must_expand(const wchar_t *filename)
+{
+#if DK4_ON_WINDOWS
+ int back = 0;
+ if (NULL != filename) {
+ if (L'\\' == filename[0]) {
+ if (L'\\' == filename[1]) {
+ if (L'?' == filename[2]) {
+ if (L'\\' == filename[3]) {
+ filename = &(filename[4]);
+ }
+ }
+ }
+ }
+ while((L'\0' != *filename) && (0 == back)) {
+ if (L'*' == *filename) {
+ back = 1;
+ } else {
+ if (L'?' == *filename) {
+ back = 1;
+ } else {
+ filename++;
+ }
+ }
+ }
+ }
+ return back;
+#else
+ return 0;
+#endif
+}
+