thodg/libgit2/src/transport.c

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• Hash : 2869f404
  Author :
  Date : 2011-11-22T15:48:37
  

  transport: Add `git_transport_valid_url`

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• src/transport.c

• /*
   * Copyright (C) 2009-2011 the libgit2 contributors
   *
   * This file is part of libgit2, distributed under the GNU GPL v2 with
   * a Linking Exception. For full terms see the included COPYING file.
   */
  #include "common.h"
  #include "git2/types.h"
  #include "git2/transport.h"
  #include "git2/net.h"
  #include "transport.h"
  
  static struct {
  	char *prefix;
  	git_transport_cb fn;
  } transports[] = {
  	{"git://", git_transport_git},
  	{"http://", git_transport_http},
  	{"https://", git_transport_dummy},
  	{"file://", git_transport_local},
  	{"git+ssh://", git_transport_dummy},
  	{"ssh+git://", git_transport_dummy},
  	{NULL, 0}
  };
  
  #define GIT_TRANSPORT_COUNT (sizeof(transports)/sizeof(transports[0]))
  
  static git_transport_cb transport_find_fn(const char *url)
  {
  	size_t i = 0;
  
  	 /* TODO: Parse "example.com:project.git" as an SSH URL */
  
  	for (i = 0; i < GIT_TRANSPORT_COUNT; ++i) {
  		if (!strncasecmp(url, transports[i].prefix, strlen(transports[i].prefix)))
  			return transports[i].fn;
  	}
  
  	return NULL;
  }
  
  /**************
   * Public API *
   **************/
  
  int git_transport_dummy(git_transport **GIT_UNUSED(transport))
  {
  	GIT_UNUSED_ARG(transport);
  	return git__throw(GIT_ENOTIMPLEMENTED, "This protocol isn't implemented. Sorry");
  }
  
  int git_transport_valid_url(const char *url)
  {
  	return transport_find_fn(url) != NULL;
  }
  
  int git_transport_new(git_transport **out, const char *url)
  {
  	git_transport_cb fn;
  	git_transport *transport;
  	int error;
  
  	fn = transport_find_fn(url);
  
  	/*
  	 * If we haven't found the transport, we assume we mean a
  	 * local file.
  	 */
  	if (fn == NULL)
  		fn = &git_transport_local;
  
  	error = fn(&transport);
  	if (error < GIT_SUCCESS)
  		return git__rethrow(error, "Failed to create new transport");
  
  	transport->url = git__strdup(url);
  	if (transport->url == NULL)
  		return GIT_ENOMEM;
  
  	*out = transport;
  
  	return GIT_SUCCESS;
  }
  

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