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Fix loading images with spaces on Linux

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This change quotes the string before it is passed into wordexp.

This addresses issue https://github.com/syoyo/tinygltf/issues/236
This commit is contained in:
Frank Galligan 2020-01-13 15:06:56 -08:00
parent 1cf179d377
commit aa3c5a1cad
7 changed files with 371 additions and 1 deletions
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models/CubeImageUriSpaces/ 2x2 image has multiple spaces.png Normal file
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models/CubeImageUriSpaces/2x2 image has spaces.png Normal file
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171
models/CubeImageUriSpaces/CubeImageUriMultipleSpaces.gltf Normal file
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@ -0,0 +1,171 @@
{
"asset": {
"version": "2.0"
},
"scenes": [
{
"nodes": [
0
]
}
],
"scene": 0,
"nodes": [
{
"mesh": 0
}
],
"meshes": [
{
"primitives": [
{
"attributes": {
"NORMAL": 2,
"POSITION": 1,
"TEXCOORD_0": 3
},
"indices": 0,
"mode": 4,
"material": 0
}
]
}
],
"materials": [
{
"pbrMetallicRoughness": {
"baseColorTexture": {
"index": 0,
"texCoord": 0
},
"baseColorFactor": [
1,
1,
1,
1
],
"metallicFactor": 1,
"roughnessFactor": 1
},
"emissiveFactor": [
0,
0,
0
],
"alphaMode": "OPAQUE"
}
],
"textures": [
{
"source": 0,
"sampler": 0
}
],
"samplers": [
{
"wrapS": 33071,
"wrapT": 33071
}
],
"images": [
{
"uri": " 2x2 image has multiple spaces.png "
}
],
"accessors": [
{
"bufferView": 0,
"byteOffset": 0,
"componentType": 5121,
"count": 36,
"normalized": false,
"max": [
23
],
"min": [
0
],
"type": "SCALAR"
},
{
"bufferView": 1,
"byteOffset": 0,
"componentType": 5126,
"count": 24,
"normalized": false,
"max": [
0.5,
0.5,
0.5
],
"min": [
-0.5,
-0.5,
-0.5
],
"type": "VEC3"
},
{
"bufferView": 2,
"byteOffset": 0,
"componentType": 5126,
"count": 24,
"normalized": false,
"max": [
1,
1,
1
],
"min": [
-1,
-1,
-1
],
"type": "VEC3"
},
{
"bufferView": 3,
"byteOffset": 0,
"componentType": 5126,
"count": 24,
"normalized": false,
"max": [
1,
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],
"min": [
0,
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],
"type": "VEC2"
}
],
"bufferViews": [
{
"buffer": 0,
"byteOffset": 0,
"byteLength": 36
},
{
"buffer": 0,
"byteOffset": 36,
"byteLength": 288
},
{
"buffer": 0,
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"byteLength": 288
},
{
"buffer": 0,
"byteOffset": 612,
"byteLength": 192
}
],
"buffers": [
{
"byteLength": 804,
"uri": "CubeImageUriSpaces.bin"
}
]
}

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models/CubeImageUriSpaces/CubeImageUriSpaces.bin Normal file
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171
models/CubeImageUriSpaces/CubeImageUriSpaces.gltf Normal file
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@ -0,0 +1,171 @@
{
"asset": {
"version": "2.0"
},
"scenes": [
{
"nodes": [
0
]
}
],
"scene": 0,
"nodes": [
{
"mesh": 0
}
],
"meshes": [
{
"primitives": [
{
"attributes": {
"NORMAL": 2,
"POSITION": 1,
"TEXCOORD_0": 3
},
"indices": 0,
"mode": 4,
"material": 0
}
]
}
],
"materials": [
{
"pbrMetallicRoughness": {
"baseColorTexture": {
"index": 0,
"texCoord": 0
},
"baseColorFactor": [
1,
1,
1,
1
],
"metallicFactor": 1,
"roughnessFactor": 1
},
"emissiveFactor": [
0,
0,
0
],
"alphaMode": "OPAQUE"
}
],
"textures": [
{
"source": 0,
"sampler": 0
}
],
"samplers": [
{
"wrapS": 33071,
"wrapT": 33071
}
],
"images": [
{
"uri": "2x2 image has spaces.png"
}
],
"accessors": [
{
"bufferView": 0,
"byteOffset": 0,
"componentType": 5121,
"count": 36,
"normalized": false,
"max": [
23
],
"min": [
0
],
"type": "SCALAR"
},
{
"bufferView": 1,
"byteOffset": 0,
"componentType": 5126,
"count": 24,
"normalized": false,
"max": [
0.5,
0.5,
0.5
],
"min": [
-0.5,
-0.5,
-0.5
],
"type": "VEC3"
},
{
"bufferView": 2,
"byteOffset": 0,
"componentType": 5126,
"count": 24,
"normalized": false,
"max": [
1,
1,
1
],
"min": [
-1,
-1,
-1
],
"type": "VEC3"
},
{
"bufferView": 3,
"byteOffset": 0,
"componentType": 5126,
"count": 24,
"normalized": false,
"max": [
1,
1
],
"min": [
0,
0
],
"type": "VEC2"
}
],
"bufferViews": [
{
"buffer": 0,
"byteOffset": 0,
"byteLength": 36
},
{
"buffer": 0,
"byteOffset": 36,
"byteLength": 288
},
{
"buffer": 0,
"byteOffset": 324,
"byteLength": 288
},
{
"buffer": 0,
"byteOffset": 612,
"byteLength": 192
}
],
"buffers": [
{
"byteLength": 804,
"uri": "CubeImageUriSpaces.bin"
}
]
}

26
tests/tester.cc
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@ -333,3 +333,29 @@ TEST_CASE("pbr-khr-texture-transform", "[material]") {
REQUIRE(scale[1] == Approx(-1.0)); REQUIRE(scale[1] == Approx(-1.0));
} }
TEST_CASE("image-uri-spaces", "[issue-236]") {
tinygltf::Model model;
tinygltf::TinyGLTF ctx;
std::string err;
std::string warn;
// Test image file with single spaces.
bool ret = ctx.LoadASCIIFromFile(&model, &err, &warn, "../models/CubeImageUriSpaces/CubeImageUriSpaces.gltf");
if (!err.empty()) {
std::cerr << err << std::endl;
}
REQUIRE(true == ret);
// Test image file with a beginning space, trailing space, and greater than
// one consecutive spaces.
ret = ctx.LoadASCIIFromFile(&model, &err, &warn, "../models/CubeImageUriSpaces/CubeImageUriMultipleSpaces.gltf");
if (!err.empty()) {
std::cerr << err << std::endl;
}
REQUIRE(true == ret);
}

4
tiny_gltf.h
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@ -2458,8 +2458,10 @@ std::string ExpandFilePath(const std::string &filepath, void *) {
return ""; return "";
} }
// Quote the string to keep any spaces in filepath intact.
std::string quoted_path = "\"" + filepath + "\"";
// char** w; // char** w;
int ret = wordexp(filepath.c_str(), &p, 0); int ret = wordexp(quoted_path.c_str(), &p, 0);
if (ret) { if (ret) {
// err // err
s = filepath; s = filepath;