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@ -32,15 +32,30 @@
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#include <string>
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// namespace extensions
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namespace Exiv2 {
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namespace Exiv2
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{
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//! the name of environmental variables.
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enum EnVar { envHTTPPOST = 0, envTIMEOUT = 1};
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enum EnVar
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{
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envHTTPPOST = 0,
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envTIMEOUT = 1
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};
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//! the collection of protocols.
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enum Protocol { pFile = 0, pHttp, pFtp, pHttps, pSftp, pSsh, pFileUri, pDataUri, pStdin};
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// *********************************************************************
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// free functions
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enum Protocol
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{
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pFile = 0,
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pHttp,
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pFtp,
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pHttps,
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pSftp,
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pSsh,
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pFileUri,
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pDataUri,
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pStdin
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};
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// *********************************************************************
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// free functions
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/*!
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@brief Return the value of environmental variable.
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@param var The name of environmental variable.
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@ -48,25 +63,29 @@ namespace Exiv2 {
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@throws std::out_of_range when an unexpected EnVar is given as input.
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*/
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EXIV2API std::string getEnv(EnVar var);
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/*!
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@brief Convert an integer value to its hex character.
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@param code The integer value.
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@return the input's hex character.
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*/
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EXIV2API char to_hex(char code);
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/*!
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@brief Convert a hex character to its integer value.
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@param ch The hex character.
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@return the input's integer value.
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*/
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EXIV2API char from_hex(char ch);
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/*!
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@brief Encode the input url.
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@param str The url needs encoding.
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@return the url-encoded version of str.
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@note Source: http://www.geekhideout.com/urlcode.shtml
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*/
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EXIV2API std::string urlencode(const char *str);
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EXIV2API std::string urlencode(const char* str);
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/*!
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@brief Decode the input url.
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@param str The url needs decoding.
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@ -76,21 +95,25 @@ namespace Exiv2 {
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Source: http://www.geekhideout.com/urlcode.shtml
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*/
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EXIV2API char* urldecode(const char* str);
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/*!
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@brief Like urlencode(char* str) but accept the input url in the std::string and modify it.
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*/
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EXIV2API void urldecode(std::string& str);
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/*!
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@brief Encode in base64 the data in data_buf and put the resulting string in result.
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@param data_buf The data need to encode
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@param dataLength Size in bytes of the in buffer
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@param result The container for the result, NULL if it fails
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@param resultSize Size in bytes of the out string, it should be at least ((dataLength + 2) / 3) * 4 + 1
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@param resultSize Size in bytes of the out string, it should be at least
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((dataLength + 2) / 3) * 4 + 1
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@return 1 indicate success
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@note Source: http://en.wikibooks.org/wiki/Algorithm_Implementation/Miscellaneous/Base64
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*/
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EXIV2API int base64encode(const void* data_buf, size_t dataLength, char* result, size_t resultSize);
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/*!
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@brief Decode base64 data and put the resulting string in out.
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@param in The data need to decode.
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@ -100,13 +123,15 @@ namespace Exiv2 {
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@note Source: https://github.com/davidgaleano/libwebsockets/blob/master/lib/base64-decode.c
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*/
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EXIV2API long base64decode(const char *in, char *out, size_t out_size);
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EXIV2API long base64decode(const char* in, char* out, size_t out_size);
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/*!
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@brief Return the protocol of the path.
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@param path The path of file to extract the protocol.
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@return the protocol of the path.
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*/
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EXIV2API Protocol fileProtocol(const std::string& path);
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#ifdef EXV_UNICODE_PATH
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/*!
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@brief Like fileProtocol() but accept a unicode path in an std::wstring.
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@ -114,6 +139,7 @@ namespace Exiv2 {
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*/
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EXIV2API Protocol fileProtocol(const std::wstring& wpath);
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#endif
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/*!
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@brief Test if a file exists.
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@ -126,15 +152,17 @@ namespace Exiv2 {
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and its type, see stat(2). <b>errno</b> is left unchanged
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in case of an error.
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*/
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EXIV2API bool fileExists(const std::string& path, bool ct =false);
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EXIV2API bool fileExists(const std::string& path, bool ct = false);
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#ifdef EXV_UNICODE_PATH
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/*!
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@brief Like fileExists(const std::string& path, bool ct =false) but
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accepts a unicode path in an std::wstring.
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@note This function is only available on Windows.
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*/
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EXIV2API bool fileExists(const std::wstring& wpath, bool ct =false);
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EXIV2API bool fileExists(const std::wstring& wpath, bool ct = false);
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#endif
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/*!
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@brief Get the path of file URL.
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@ -142,6 +170,7 @@ namespace Exiv2 {
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@return the path of file URL.
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*/
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EXIV2API std::string pathOfFileUrl(const std::string& url);
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#ifdef EXV_UNICODE_PATH
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/*!
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@brief Like pathOfFileUrl(const std::string& url) but accepts a unicode path in an std::wstring.
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@ -149,6 +178,7 @@ namespace Exiv2 {
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*/
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EXIV2API std::wstring pathOfFileUrl(const std::wstring& wurl);
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#endif
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/*!
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@brief Return a system error message and the error code (errno).
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See %strerror(3).
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@ -160,28 +190,26 @@ namespace Exiv2 {
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URL to get the protocol, host, path, port, querystring, username, password.
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Source: http://stackoverflow.com/questions/2616011/easy-way-to-parse-a-url-in-c-cross-platform
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@todo This class can probably be hidden from the API
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*/
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class Uri
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{
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public:
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// DATA
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std::string QueryString; //!< URL query string
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std::string Path; //!< URL file path
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std::string Protocol; //!< URL protocol
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std::string Host; //!< URL host
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std::string Port; //!< URL port
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std::string Username; //!< URL username
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std::string Password; //!< URL password
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/*!
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@brief Parse the input URL to the protocol, host, path, username, password
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*/
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static Uri EXIV2API Parse(const std::string &uri);
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/*!
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@brief Decode the url components.
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*/
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std::string QueryString; //!< URL query string
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std::string Path; //!< URL file path
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std::string Protocol; //!< URL protocol
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std::string Host; //!< URL host
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std::string Port; //!< URL port
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std::string Username; //!< URL username
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std::string Password; //!< URL password
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/// @brief Parse the input URL to the protocol, host, path, username, password
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static Uri EXIV2API Parse(const std::string& uri);
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/// @brief Decode the url components.
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static void EXIV2API Decode(Uri& uri);
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}; // class Uri
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};
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} // namespace Exiv2
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} // namespace Exiv2
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