1 files changed, 74 insertions, 0 deletions
diff --git a/elpa/irony-20220110.849/server/src/support/TemporaryFile.cpp b/elpa/irony-20220110.849/server/src/support/TemporaryFile.cpp
new file mode 100644
index 0000000..e7393e1
--- /dev/null
+++ b/elpa/irony-20220110.849/server/src/support/TemporaryFile.cpp
@@ -0,0 +1,74 @@
+/**
+ * \file
+ * \author Guillaume Papin <guillaume.papin@epitech.eu>
+ *
+ * This file is distributed under the GNU General Public License. See
+ * COPYING for details.
+ */
+
+#include "TemporaryFile.h"
+
+#include <algorithm>
+#include <cstdio>
+#include <cstdlib>
+#include <fstream>
+#include <iostream>
+#include <random>
+
+static std::string getTemporaryFileDirectory() {
+  const char *temporaryDirEnvVars[] = {"TMPDIR", "TMP", "TEMP", "TEMPDIR"};
+
+  for (const char *envVar : temporaryDirEnvVars) {
+    if (const char *dir = std::getenv(envVar))
+      return dir;
+  }
+
+  return "/tmp";
+}
+
+TemporaryFile::TemporaryFile(const std::string &prefix,
+                             const std::string &suffix)
+  : pathOrPattern_(prefix + "-%%%%%%" + suffix) {
+}
+
+TemporaryFile::~TemporaryFile() {
+  if (openedFile_) {
+    openedFile_.reset();
+    std::remove(pathOrPattern_.c_str());
+  }
+}
+
+const std::string &TemporaryFile::getPath() {
+  if (!openedFile_) {
+    openedFile_.reset(new std::fstream);
+
+    std::random_device rd;
+    std::default_random_engine e(rd());
+    std::uniform_int_distribution<int> dist(0, 15);
+    std::string pattern = pathOrPattern_;
+    std::string tmpDir = getTemporaryFileDirectory() + "/";
+    int i = 0;
+
+    do {
+      // exiting is better than infinite loop
+      if (++i > TemporaryFile::MAX_ATTEMPS) {
+        std::cerr << "error: couldn't create temporary file, please check your "
+                     "temporary file directory (" << tmpDir << ")\n";
+        exit(EXIT_FAILURE);
+      }
+
+      // make the filename based on the pattern
+      std::transform(pattern.begin(),
+                     pattern.end(),
+                     pathOrPattern_.begin(),
+                     [&e, &dist](char ch) {
+        return ch == '%' ? "0123456789abcdef"[dist(e)] : ch;
+      });
+      // create the file
+      openedFile_->open(tmpDir + pathOrPattern_, std::ios_base::out);
+    } while (!openedFile_->is_open());
+    pathOrPattern_ = tmpDir + pathOrPattern_;
+  }
+
+  return pathOrPattern_;
+}