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<!doctype html>
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<html>
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  <head>
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    <title>CodeMirror: C-like mode</title>
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    <link rel="stylesheet" href="../../lib/codemirror.css">
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    <script src="../../lib/codemirror.js"></script>
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    <script src="clike.js"></script>
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    <link rel="stylesheet" href="../../doc/docs.css">
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    <style>.CodeMirror {border: 2px inset #dee;}</style>
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  </head>
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  <body>
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    <h1>CodeMirror: C-like mode</h1>
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<form><textarea id="code" name="code">
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/* C demo code */
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#include <zmq.h>
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#include <pthread.h>
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#include <semaphore.h>
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#include <time.h>
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#include <stdio.h>
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#include <fcntl.h>
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#include <malloc.h>
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typedef struct {
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  void* arg_socket;
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  zmq_msg_t* arg_msg;
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  char* arg_string;
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  unsigned long arg_len;
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  int arg_int, arg_command;
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  int signal_fd;
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  int pad;
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  void* context;
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  sem_t sem;
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} acl_zmq_context;
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#define p(X) (context->arg_##X)
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void* zmq_thread(void* context_pointer) {
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  acl_zmq_context* context = (acl_zmq_context*)context_pointer;
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  char ok = 'K', err = 'X';
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  int res;
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  while (1) {
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    while ((res = sem_wait(&amp;context->sem)) == EINTR);
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    if (res) {write(context->signal_fd, &amp;err, 1); goto cleanup;}
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    switch(p(command)) {
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    case 0: goto cleanup;
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    case 1: p(socket) = zmq_socket(context->context, p(int)); break;
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    case 2: p(int) = zmq_close(p(socket)); break;
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    case 3: p(int) = zmq_bind(p(socket), p(string)); break;
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    case 4: p(int) = zmq_connect(p(socket), p(string)); break;
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    case 5: p(int) = zmq_getsockopt(p(socket), p(int), (void*)p(string), &amp;p(len)); break;
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    case 6: p(int) = zmq_setsockopt(p(socket), p(int), (void*)p(string), p(len)); break;
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    case 7: p(int) = zmq_send(p(socket), p(msg), p(int)); break;
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    case 8: p(int) = zmq_recv(p(socket), p(msg), p(int)); break;
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    case 9: p(int) = zmq_poll(p(socket), p(int), p(len)); break;
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    }
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    p(command) = errno;
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    write(context->signal_fd, &amp;ok, 1);
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  }
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 cleanup:
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  close(context->signal_fd);
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  free(context_pointer);
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  return 0;
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}
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void* zmq_thread_init(void* zmq_context, int signal_fd) {
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  acl_zmq_context* context = malloc(sizeof(acl_zmq_context));
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  pthread_t thread;
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  context->context = zmq_context;
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  context->signal_fd = signal_fd;
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  sem_init(&amp;context->sem, 1, 0);
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  pthread_create(&amp;thread, 0, &amp;zmq_thread, context);
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  pthread_detach(thread);
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  return context;
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}
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</textarea></form>
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    <script>
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      var editor = CodeMirror.fromTextArea(document.getElementById("code"), {
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        lineNumbers: true,
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        matchBrackets: true,
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        mode: "text/x-csrc"
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      });
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    </script>
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    <p>Simple mode that tries to handle C-like languages as well as it
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    can. Takes two configuration parameters: <code>keywords</code>, an
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    object whose property names are the keywords in the language,
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    and <code>useCPP</code>, which determines whether C preprocessor
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    directives are recognized.</p>
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    <p><strong>MIME types defined:</strong> <code>text/x-csrc</code>
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    (C code), <code>text/x-c++src</code> (C++
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    code), <code>text/x-java</code> (Java
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    code), <code>text/x-groovy</code> (Groovy code).</p>
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  </body>
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</html>