move 3rd-party librarys into libs/ and add built-in honeysuckle

1 files changed, 179 insertions, 0 deletions

diff --git a/libs/assimp/code/Common/Base64.cpp b/libs/assimp/code/Common/Base64.cpp
new file mode 100644
index 0000000..3e9c474
--- /dev/null
+++ b/libs/assimp/code/Common/Base64.cpp
@@ -0,0 +1,179 @@
+/*
+---------------------------------------------------------------------------
+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.
+---------------------------------------------------------------------------
+*/
+
+#include <assimp/Base64.hpp>
+#include <assimp/Exceptional.h>
+
+namespace Assimp {
+
+namespace Base64 {
+
+static const uint8_t tableDecodeBase64[128] = {
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 62, 0, 0, 0, 63,
+    52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 0, 0, 0, 64, 0, 0,
+    0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
+    15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 0, 0, 0, 0, 0,
+    0, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
+    41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 0, 0, 0, 0, 0
+};
+
+static const char *tableEncodeBase64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
+
+static inline char EncodeChar(uint8_t b) {
+    return tableEncodeBase64[size_t(b)];
+}
+
+inline uint8_t DecodeChar(char c) {
+    if (c & 0x80) {
+        throw DeadlyImportError("Invalid base64 char value: ", size_t(c));
+    }
+    return tableDecodeBase64[size_t(c & 0x7F)]; // TODO faster with lookup table or ifs?
+}
+
+void Encode(const uint8_t *in, size_t inLength, std::string &out) {
+    size_t outLength = ((inLength + 2) / 3) * 4;
+
+    size_t j = out.size();
+    out.resize(j + outLength);
+
+    for (size_t i = 0; i < inLength; i += 3) {
+        uint8_t b = (in[i] & 0xFC) >> 2;
+        out[j++] = EncodeChar(b);
+
+        b = (in[i] & 0x03) << 4;
+        if (i + 1 < inLength) {
+            b |= (in[i + 1] & 0xF0) >> 4;
+            out[j++] = EncodeChar(b);
+
+            b = (in[i + 1] & 0x0F) << 2;
+            if (i + 2 < inLength) {
+                b |= (in[i + 2] & 0xC0) >> 6;
+                out[j++] = EncodeChar(b);
+
+                b = in[i + 2] & 0x3F;
+                out[j++] = EncodeChar(b);
+            } else {
+                out[j++] = EncodeChar(b);
+                out[j++] = '=';
+            }
+        } else {
+            out[j++] = EncodeChar(b);
+            out[j++] = '=';
+            out[j++] = '=';
+        }
+    }
+}
+
+void Encode(const std::vector<uint8_t> &in, std::string &out) {
+    Encode(in.data(), in.size(), out);
+}
+
+std::string Encode(const std::vector<uint8_t> &in) {
+    std::string encoded;
+    Encode(in, encoded);
+    return encoded;
+}
+
+size_t Decode(const char *in, size_t inLength, uint8_t *&out) {
+    if (inLength % 4 != 0) {
+        throw DeadlyImportError("Invalid base64 encoded data: \"", std::string(in, std::min(size_t(32), inLength)), "\", length:", inLength);
+    }
+
+    if (inLength < 4) {
+        out = nullptr;
+        return 0;
+    }
+
+    int nEquals = int(in[inLength - 1] == '=') +
+                  int(in[inLength - 2] == '=');
+
+    size_t outLength = (inLength * 3) / 4 - nEquals;
+    out = new uint8_t[outLength];
+    memset(out, 0, outLength);
+
+    size_t i, j = 0;
+
+    for (i = 0; i + 4 < inLength; i += 4) {
+        uint8_t b0 = DecodeChar(in[i]);
+        uint8_t b1 = DecodeChar(in[i + 1]);
+        uint8_t b2 = DecodeChar(in[i + 2]);
+        uint8_t b3 = DecodeChar(in[i + 3]);
+
+        out[j++] = (uint8_t)((b0 << 2) | (b1 >> 4));
+        out[j++] = (uint8_t)((b1 << 4) | (b2 >> 2));
+        out[j++] = (uint8_t)((b2 << 6) | b3);
+    }
+
+    {
+        uint8_t b0 = DecodeChar(in[i]);
+        uint8_t b1 = DecodeChar(in[i + 1]);
+        uint8_t b2 = DecodeChar(in[i + 2]);
+        uint8_t b3 = DecodeChar(in[i + 3]);
+
+        out[j++] = (uint8_t)((b0 << 2) | (b1 >> 4));
+        if (b2 < 64) out[j++] = (uint8_t)((b1 << 4) | (b2 >> 2));
+        if (b3 < 64) out[j++] = (uint8_t)((b2 << 6) | b3);
+    }
+
+    return outLength;
+}
+
+size_t Decode(const std::string &in, std::vector<uint8_t> &out) {
+    uint8_t *outPtr = nullptr;
+    size_t decodedSize = Decode(in.data(), in.size(), outPtr);
+    if (outPtr == nullptr) {
+        return 0;
+    }
+    out.assign(outPtr, outPtr + decodedSize);
+    delete[] outPtr;
+    return decodedSize;
+}
+
+std::vector<uint8_t> Decode(const std::string &in) {
+    std::vector<uint8_t> result;
+    Decode(in, result);
+    return result;
+}
+
+} // namespace Base64
+} // namespace Assimp