assimp/tools/assimp_cmd/Export.cpp

169 lines
6.0 KiB
C++

/*
---------------------------------------------------------------------------
Open Asset Import Library (assimp)
---------------------------------------------------------------------------
Copyright (c) 2006-2022, assimp team
All rights reserved.
Redistribution and use of this software 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
copyright 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 assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
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 Export.cpp
* @brief Implementation of the 'assimp export' utility
*/
#include "Main.h"
#include <assimp/ParsingUtils.h>
#include <assimp/StringUtils.h>
#ifndef ASSIMP_BUILD_NO_EXPORT
const char *AICMD_MSG_EXPORT_HELP_E =
"assimp export <model> [<out>] [-f<h>] [common parameters]\n"
"\t -f<h> Specify the file format. If omitted, the output format is \n"
"\t\tderived from the file extension of the given output file \n"
"\t[See the assimp_cmd docs for a full list of all common parameters] \n";
// -----------------------------------------------------------------------------------
size_t GetMatchingFormat(const std::string &outf, bool byext = false) {
for (size_t i = 0, end = globalExporter->GetExportFormatCount(); i < end; ++i) {
const aiExportFormatDesc *const e = globalExporter->GetExportFormatDescription(i);
if (outf == (byext ? e->fileExtension : e->id)) {
return i;
}
}
return SIZE_MAX;
}
// -----------------------------------------------------------------------------------
int Assimp_Export(const char *const *params, unsigned int num) {
const char *const invalid = "assimp export: Invalid number of arguments. See \'assimp export --help\'\n";
if (num < 1) {
printf(invalid);
return AssimpCmdError::InvalidNumberOfArguments;
}
// --help
if (!strcmp(params[0], "-h") || !strcmp(params[0], "--help") || !strcmp(params[0], "-?")) {
printf("%s", AICMD_MSG_EXPORT_HELP_E);
return AssimpCmdError::Success;
}
std::string in = std::string(params[0]);
std::string out = (num > 1 ? std::string(params[1]) : "-"), outext;
//
const std::string::size_type s = out.find_last_of('.');
if (s != std::string::npos) {
outext = out.substr(s + 1);
out = out.substr(0, s);
}
// get import flags
ImportData import;
ProcessStandardArguments(import, params + 1, num - 1);
// process other flags
std::string outf = "";
for (unsigned int i = (out[0] == '-' ? 1 : 2); i < num; ++i) {
if (!params[i]) {
continue;
}
if (!strncmp(params[i], "-f", 2)) {
if (strncmp(params[i], "-fi", 3))
outf = std::string(params[i] + 2);
} else if (!strncmp(params[i], "--format=", 9)) {
outf = std::string(params[i] + 9);
}
}
std::transform(outf.begin(), outf.end(), outf.begin(), ai_tolower<char>);
// convert the output format to a format id
size_t outfi = GetMatchingFormat(outf);
if (outfi == SIZE_MAX) {
if (outf.length()) {
printf("assimp export: warning, format id \'%s\' is unknown\n", outf.c_str());
}
// retry to see if we know it as file extension
outfi = GetMatchingFormat(outf, true);
if (outfi == SIZE_MAX) {
// retry to see if we know the file extension of the output file
outfi = GetMatchingFormat(outext, true);
if (outfi == SIZE_MAX) {
// still no match -> failure
printf("assimp export: no output format specified and I failed to guess it\n");
return -23;
}
} else {
outext = outf;
}
}
// if no output file is specified, take the file name from input file
if (out[0] == '-') {
std::string::size_type pos = in.find_last_of('.');
if (pos == std::string::npos) {
pos = in.length();
}
out = in.substr(0, pos);
}
const aiExportFormatDesc *const e = globalExporter->GetExportFormatDescription(outfi);
printf("assimp export: select file format: \'%s\' (%s)\n", e->id, e->description);
// import the model
const aiScene *scene = ImportModel(import, in);
if (!scene) {
return AssimpCmdExportError::FailedToImportModel;
}
// derive the final file name
if (!outext.empty()) {
out += "." + outext;
}
// and call the export routine
if (!ExportModel(scene, import, out, e->id)) {
return AssimpCmdExportError::FailedToExportModel;
}
printf("assimp export: wrote output file: %s\n", out.c_str());
return AssimpCmdError::Success;
}
#endif // no export