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/* SPDX-License-Identifier: GPL-2.0-or-later */
#include "IO_path_util.hh"
#include "BLI_fileops.h"
#include "BLI_path_util.h"
namespace blender::io {
std::string path_reference(StringRefNull filepath,
StringRefNull base_src,
StringRefNull base_dst,
ePathReferenceMode mode,
Set<std::pair<std::string, std::string>> *copy_set)
{
const bool is_relative = BLI_path_is_rel(filepath.c_str());
char filepath_abs[PATH_MAX];
BLI_strncpy(filepath_abs, filepath.c_str(), PATH_MAX);
BLI_path_abs(filepath_abs, base_src.c_str());
BLI_path_normalize(nullptr, filepath_abs);
/* Figure out final mode to be used. */
if (mode == PATH_REFERENCE_MATCH) {
mode = is_relative ? PATH_REFERENCE_RELATIVE : PATH_REFERENCE_ABSOLUTE;
}
else if (mode == PATH_REFERENCE_AUTO) {
mode = BLI_path_contains(base_dst.c_str(), filepath_abs) ? PATH_REFERENCE_RELATIVE :
PATH_REFERENCE_ABSOLUTE;
}
else if (mode == PATH_REFERENCE_COPY) {
char filepath_cpy[PATH_MAX];
BLI_path_join(
filepath_cpy, PATH_MAX, base_dst.c_str(), BLI_path_basename(filepath_abs), nullptr);
copy_set->add(std::make_pair(filepath_abs, filepath_cpy));
BLI_strncpy(filepath_abs, filepath_cpy, PATH_MAX);
mode = PATH_REFERENCE_RELATIVE;
}
/* Now we know the final path mode. */
if (mode == PATH_REFERENCE_ABSOLUTE) {
return filepath_abs;
}
if (mode == PATH_REFERENCE_RELATIVE) {
char rel_path[PATH_MAX];
BLI_strncpy(rel_path, filepath_abs, PATH_MAX);
BLI_path_rel(rel_path, base_dst.c_str());
/* Can't always find relative path (e.g. between different drives). */
if (!BLI_path_is_rel(rel_path)) {
return filepath_abs;
}
return rel_path + 2; /* Skip blender's internal "//" prefix. */
}
if (mode == PATH_REFERENCE_STRIP) {
return BLI_path_basename(filepath_abs);
}
BLI_assert_msg(false, "Invalid path reference mode");
return filepath_abs;
}
void path_reference_copy(const Set<std::pair<std::string, std::string>> ©_set)
{
for (const auto © : copy_set) {
const char *src = copy.first.c_str();
const char *dst = copy.second.c_str();
if (!BLI_exists(src)) {
fprintf(stderr, "Missing source file '%s', not copying\n", src);
continue;
}
if (0 == BLI_path_cmp_normalized(src, dst)) {
continue; /* Source and dest are the same. */
}
if (!BLI_make_existing_file(dst)) {
fprintf(stderr, "Can't make directory for '%s', not copying\n", dst);
continue;
}
if (!BLI_copy(src, dst)) {
fprintf(stderr, "Can't copy '%s' to '%s'\n", src, dst);
continue;
}
}
}
} // namespace blender::io
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