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//
// Copyright 2019 Pixar
//
// Licensed under the Apache License, Version 2.0 (the "Apache License")
// with the following modification; you may not use this file except in
// compliance with the Apache License and the following modification to it:
// Section 6. Trademarks. is deleted and replaced with:
//
// 6. Trademarks. This License does not grant permission to use the trade
// names, trademarks, service marks, or product names of the Licensor
// and its affiliates, except as required to comply with Section 4(c) of
// the License and to reproduce the content of the NOTICE file.
//
// You may obtain a copy of the Apache License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the Apache License with the above modification is
// distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the Apache License for the specific
// language governing permissions and limitations under the Apache License.
//
#include "arg_utils.h"
#include <fstream>
#include <sstream>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
static int
parseIntArg(const char* argString, int dfltValue = 0) {
char *argEndptr;
int argValue = (int) strtol(argString, &argEndptr, 10);
if (*argEndptr != 0) {
printf("Warning: non-integer option parameter '%s' ignored\n",
argString);
argValue = dfltValue;
}
return argValue;
}
ArgOptions::ArgOptions()
: _adaptive(true)
, _fullscreen(false)
, _level(2)
, _objsAreAnim(false)
, _yup(false)
, _repeatCount(0)
, _defaultScheme(kCatmark)
{
}
void
ArgOptions::Parse(int argc, char **argv)
{
for (int i = 1; i < argc; ++i) {
if (strstr(argv[i], ".obj")) {
_objFiles.push_back(argv[i]);
} else if (!strcmp(argv[i], "-a")) {
_adaptive = true;
} else if (!strcmp(argv[i], "-u")) {
_adaptive = false;
} else if (!strcmp(argv[i], "-l")) {
if (++i < argc) _level = parseIntArg(argv[i], 2);
} else if (!strcmp(argv[i], "-c")) {
if (++i < argc) _repeatCount = parseIntArg(argv[i], 0);
} else if (!strcmp(argv[i], "-f")) {
_fullscreen = true;
} else if (!strcmp(argv[i], "-yup")) {
_yup = true;
} else if (!strcmp(argv[i], "-anim")) {
_objsAreAnim = true;
} else if (!strcmp(argv[i], "-bilinear")) {
_defaultScheme = kBilinear;
} else if (!strcmp(argv[i], "-catmark")) {
_defaultScheme = kCatmark;
} else if (!strcmp(argv[i], "-loop")) {
_defaultScheme = kLoop;
} else {
_remainingArgs.push_back(argv[i]);
}
}
}
void
ArgOptions::PrintUnrecognizedArgWarning(const char *arg) const
{
printf("Warning: unrecognized argument '%s' ignored\n", arg);
}
void
ArgOptions::PrintUnrecognizedArgsWarnings() const
{
for(size_t i = 0; i < _remainingArgs.size(); ++i) {
PrintUnrecognizedArgWarning(_remainingArgs[i]);
}
}
size_t
ArgOptions::AppendObjShapes(std::vector<ShapeDesc>& shapes, bool warn) const
{
size_t originalShapesSize = shapes.size();
for (size_t i = 0; i < GetObjFiles().size(); ++i) {
std::ifstream ifs(GetObjFiles()[i]);
if (ifs) {
std::stringstream ss;
ss << ifs.rdbuf();
ifs.close();
std::string str = ss.str();
shapes.push_back(ShapeDesc(
GetObjFiles()[i], str.c_str(),
GetDefaultScheme()));
} else if (warn) {
printf("Warning: cannot open shape file '%s'\n",
GetObjFiles()[i]);
}
}
return shapes.size() - originalShapesSize;
}
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