WIP of assimp integration.

Engine/lib/assimp/code/OgreParsingUtils.h

@@ -0,0 +1,136 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2018, 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.
+
+----------------------------------------------------------------------
+*/
+
+#ifndef AI_OGREPARSINGUTILS_H_INC
+#define AI_OGREPARSINGUTILS_H_INC
+
+#ifndef ASSIMP_BUILD_NO_OGRE_IMPORTER
+
+#include <assimp/ParsingUtils.h>
+#include <functional>
+#include <algorithm>
+#include <stdint.h>
+#include <sstream>
+#include <cctype>
+
+namespace Assimp {
+namespace Ogre {
+
+/// Returns a lower cased copy of @s.
+static AI_FORCE_INLINE
+std::string ToLower(std::string s)
+{
+    std::transform(s.begin(), s.end(), s.begin(), ::tolower);
+    return s;
+}
+
+/// Returns if @c s ends with @c suffix. If @c caseSensitive is false, both strings will be lower cased before matching.
+static AI_FORCE_INLINE
+bool EndsWith(const std::string &s, const std::string &suffix, bool caseSensitive = true) {
+    if (s.empty() || suffix.empty()) {
+        return false;
+    } else if (s.length() < suffix.length()) {
+        return false;
+    }
+
+    if (!caseSensitive) {
+        return EndsWith(ToLower(s), ToLower(suffix), true);
+    }
+
+    size_t len = suffix.length();
+    std::string sSuffix = s.substr(s.length()-len, len);
+
+    return (ASSIMP_stricmp(sSuffix, suffix) == 0);
+}
+
+// Below trim functions adapted from http://stackoverflow.com/questions/216823/whats-the-best-way-to-trim-stdstring
+
+/// Trim from start
+static AI_FORCE_INLINE
+std::string &TrimLeft(std::string &s, bool newlines = true) {
+    if (!newlines) {
+        s.erase(s.begin(), std::find_if(s.begin(), s.end(), [](char c) { return !Assimp::IsSpace<char>(c); }));
+    } else {
+        s.erase(s.begin(), std::find_if(s.begin(), s.end(), [](char c) { return !Assimp::IsSpaceOrNewLine<char>(c); }));
+    }
+    return s;
+}
+
+/// Trim from end
+static AI_FORCE_INLINE
+std::string &TrimRight(std::string &s, bool newlines = true) {
+    if (!newlines) {
+        s.erase(std::find_if(s.rbegin(), s.rend(), [](char c) { return !Assimp::IsSpace<char>(c); }).base(),s.end());
+    } else {
+        s.erase(s.begin(), std::find_if(s.begin(), s.end(), [](char c) { return !Assimp::IsSpaceOrNewLine<char>(c); }));
+    }
+    return s;
+}
+
+/// Trim from both ends
+static AI_FORCE_INLINE
+std::string &Trim(std::string &s, bool newlines = true) {
+    return TrimLeft(TrimRight(s, newlines), newlines);
+}
+
+/// Skips a line from current @ss position until a newline. Returns the skipped part.
+static AI_FORCE_INLINE
+std::string SkipLine(std::stringstream &ss) {
+    std::string skipped;
+    getline(ss, skipped);
+    return skipped;
+}
+
+/// Skips a line and reads next element from @c ss to @c nextElement.
+/** @return Skipped line content until newline. */
+static AI_FORCE_INLINE
+std::string NextAfterNewLine(std::stringstream &ss, std::string &nextElement) {
+    std::string skipped = SkipLine(ss);
+    ss >> nextElement;
+    return skipped;
+}
+
+} // Ogre
+} // Assimp
+
+#endif // ASSIMP_BUILD_NO_OGRE_IMPORTER
+#endif // AI_OGREPARSINGUTILS_H_INC