PiPedal 1.2.33 initial commit

2024-08-08 12:53:02 -04:00
parent 0e378997a5
commit a3847c8184
255 changed files with 22008 additions and 1791 deletions
@@ -0,0 +1,102 @@
+/*
+ *   Copyright (c) 2023 Robin E. R. Davies
+ *   All rights reserved.
+
+ *   Permission is hereby granted, free of charge, to any person obtaining a copy
+ *   of this software and associated documentation files (the "Software"), to deal
+ *   in the Software without restriction, including without limitation the rights
+ *   to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ *   copies of the Software, and to permit persons to whom the Software is
+ *   furnished to do so, subject to the following conditions:
+
+ *   The above copyright notice and this permission notice shall be included in all
+ *   copies or substantial portions of the Software.
+
+ *   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ *   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ *   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ *   AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ *   LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ *   OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ *   SOFTWARE.
+ */
+#include "util.hpp"
+
+#include <pthread.h>
+#include <thread>
+
+#include <unistd.h> // for gettid()
+#include <codecvt>
+#include <sstream>
+
+using namespace pipedal;
+
+
+void pipedal::SetThreadName(const std::string &name)
+{
+    std::string threadName = "ppdl_" + name;
+    if (threadName.length () > 15)
+    {
+        threadName = threadName.substr(0,15);
+    }
+    pthread_t pid = pthread_self();
+    pthread_setname_np(pid,threadName.c_str());
+}
+
+
+static const uint8_t utf8extraBytes[256] = {
+    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,
+    0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 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, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+    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,
+    0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+    0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+    1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
+    2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, 3,3,3,3,3,3,3,3,4,4,4,4,5,5,5,5
+};
+
+constexpr char32_t ILLEGAL_CHAR32 = U'⊗';
+static const uint8_t utf8Offset[] = { 0,0b11000000, 0b11100000,0b11110000,0b11111000,0b11111100};
+
+std::u32string pipedal::ToUtf32(const std::string &s)
+{
+    std::basic_stringstream<char32_t> result;
+
+    auto p = s.begin();
+    auto end = s.end();
+
+    while (p != end)
+    {
+        uint8_t c = (uint8_t)(*p++);
+        if (c < 0x80)
+        {
+            result << (char32_t)c;
+        } else {
+            auto extraBytes = utf8extraBytes[c];
+            if (extraBytes == 0)
+            {
+                result << ILLEGAL_CHAR32;
+            } else if (p+extraBytes > end)
+            {
+                result << ILLEGAL_CHAR32;
+                break;
+            } else {
+                char32_t cResult = c -= utf8Offset[extraBytes];
+                while (extraBytes != 0)
+                {
+                    c = *p++;
+                    --extraBytes;
+                    if (c < 0x80 || c >= 0xC0)
+                    {
+                        result << ILLEGAL_CHAR32;
+                        p += extraBytes;
+                        break;
+                    }
+                    cResult = (cResult << 6) + (c & 0x3F);
+                }
+                result << cResult;
+            }
+        }
+    }
+    return result.str();
+}