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@ -14,7 +14,6 @@
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namespace Exiv2 {
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/* inih -- simple .INI file parser
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inih is released under the New BSD license (see LICENSE.txt). Go to the project
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@ -32,15 +31,15 @@ https://github.com/benhoyt/inih
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extern "C" {
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#endif
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/* Typedef for prototype of handler function. */
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//! @brief typedef for prototype of handler function.
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typedef int (*ini_handler)(void* user, const char* section,
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const char* name, const char* value);
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/* Typedef for prototype of fgets-style reader function. */
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//! Typedef for prototype of fgets-style reader function.
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typedef char* (*ini_reader)(char* str, int num, void* stream);
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/* Parse given INI-style file. May have [section]s, name=value pairs
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/*!
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@brief Parse given INI-style file. May have [section]s, name=value pairs
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(whitespace stripped), and comments starting with ';' (semicolon). Section
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is "" if name=value pair parsed before any section heading. name:value
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pairs are also supported as a concession to Python's configparser.
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@ -49,37 +48,58 @@ typedef char* (*ini_reader)(char* str, int num, void* stream);
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pointer as well as section, name, and value (data only valid for duration
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of handler call). Handler should return nonzero on success, zero on error.
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Returns 0 on success, line number of first error on parse error (doesn't
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@param filename path to file
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@param handler user defined handler
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@param user void pointer passed to user handler
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@return 0 on success, line number of first error on parse error (doesn't
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stop on first error), -1 on file open error, or -2 on memory allocation
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error (only when INI_USE_STACK is zero).
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@return 0 on success
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*/
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int ini_parse(const char* filename, ini_handler handler, void* user);
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/* Same as ini_parse(), but takes a FILE* instead of filename. This doesn't
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close the file when it's finished -- the caller must do that. */
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/*! @brief Same as ini_parse(), but takes a FILE* instead of filename. This doesn't
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close the file when it's finished -- the caller must do that.
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@param file open "C" file
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@param handler user defined handler
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@param user void pointer passed to user handler
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*/
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int ini_parse_file(FILE* file, ini_handler handler, void* user);
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/* Same as ini_parse(), but takes an ini_reader function pointer instead of
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filename. Used for implementing custom or string-based I/O. */
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/*! @brief Same as ini_parse(), but takes an ini_reader function pointer instead of
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filename. Used for implementing custom or string-based I/O.
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@param reader magic
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@param stream more magic
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@param handler user defined handler
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@param user void pointer passed to user handler
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@return 0 on success
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*/
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int ini_parse_stream(ini_reader reader, void* stream, ini_handler handler,
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void* user);
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/* Nonzero to allow multi-line value parsing, in the style of Python's
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/*! @brief Nonzero to allow multi-line value parsing, in the style of Python's
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configparser. If allowed, ini_parse() will call the handler with the same
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name for each subsequent line parsed. */
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name for each subsequent line parsed.
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*/
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#ifndef INI_ALLOW_MULTILINE
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#define INI_ALLOW_MULTILINE 1
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#endif
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/* Nonzero to allow a UTF-8 BOM sequence (0xEF 0xBB 0xBF) at the start of
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the file. See http://code.google.com/p/inih/issues/detail?id=21 */
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/*! @brief Nonzero to allow a UTF-8 BOM sequence (0xEF 0xBB 0xBF) at the start of
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the file. See http://code.google.com/p/inih/issues/detail?id=21
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*/
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#ifndef INI_ALLOW_BOM
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#define INI_ALLOW_BOM 1
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#endif
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/* Nonzero to allow inline comments (with valid inline comment characters
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/*! @brief Nonzero to allow inline comments (with valid inline comment characters
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specified by INI_INLINE_COMMENT_PREFIXES). Set to 0 to turn off and match
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Python 3.2+ configparser behaviour. */
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Python 3.2+ configparser behaviour.
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*/
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#ifndef INI_ALLOW_INLINE_COMMENTS
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#define INI_ALLOW_INLINE_COMMENTS 1
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#endif
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@ -87,17 +107,17 @@ int ini_parse_stream(ini_reader reader, void* stream, ini_handler handler,
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#define INI_INLINE_COMMENT_PREFIXES ";"
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#endif
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/* Nonzero to use stack, zero to use heap (malloc/free). */
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//! @brief Nonzero to use stack, zero to use heap (malloc/free).
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#ifndef INI_USE_STACK
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#define INI_USE_STACK 1
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#endif
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/* Stop parsing on first error (default is to keep parsing). */
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//! @brief Stop parsing on first error (default is to keep parsing).
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#ifndef INI_STOP_ON_FIRST_ERROR
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#define INI_STOP_ON_FIRST_ERROR 0
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#endif
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/* Maximum line length for any line in INI file. */
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//! @brief Maximum line length for any line in INI file.
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#ifndef INI_MAX_LINE
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#define INI_MAX_LINE 200
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#endif
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@ -109,43 +129,74 @@ int ini_parse_stream(ini_reader reader, void* stream, ini_handler handler,
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#endif /* __INI_H__ */
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// Read an INI file into easy-to-access name/value pairs. (Note that I've gone
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// for simplicity here rather than speed, but it should be pretty decent.)
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/*! @brief Read an INI file into easy-to-access name/value pairs. (Note that I've gone
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for simplicity here rather than speed, but it should be pretty decent.)
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*/
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class EXIV2API INIReader
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{
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public:
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// Construct INIReader and parse given filename. See ini.h for more info
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// about the parsing.
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/*! @brief Construct INIReader and parse given filename. See ini.h for more info
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about the parsing.
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*/
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INIReader(std::string filename);
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// Return the result of ini_parse(), i.e., 0 on success, line number of
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// first error on parse error, or -1 on file open error.
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/*! @brief Return the result of ini_parse(), i.e., 0 on success, line number of
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first error on parse error, or -1 on file open error.
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*/
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int ParseError();
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// Get a string value from INI file, returning default_value if not found.
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/*! @brief Get a string value from INI file, returning default_value if not found.
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@param section name of section
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@param name name of key
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@param default_value default if not found
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@return value
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*/
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std::string Get(std::string section, std::string name,
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std::string default_value);
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// Get an integer (long) value from INI file, returning default_value if
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// not found or not a valid integer (decimal "1234", "-1234", or hex "0x4d2").
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/*! @brief Get an integer (long) value from INI file, returning default_value if
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not found or not a valid integer (decimal "1234", "-1234", or hex "0x4d2").
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@param section name of section
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@param name name of key
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@param default_value default if not found
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@return value
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*/
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long GetInteger(std::string section, std::string name, long default_value);
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// Get a real (floating point double) value from INI file, returning
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// default_value if not found or not a valid floating point value
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// according to strtod().
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/*! @brief Get a real (floating point double) value from INI file, returning
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default_value if not found or not a valid floating point value
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according to strtod().
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@param section name of section
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@param name name of key
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@param default_value default if not found
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@return value
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*/
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double GetReal(std::string section, std::string name, double default_value);
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// Get a boolean value from INI file, returning default_value if not found or if
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// not a valid true/false value. Valid true values are "true", "yes", "on", "1",
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// and valid false values are "false", "no", "off", "0" (not case sensitive).
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/*! @brief Get a boolean value from INI file, returning default_value if not found or if
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not a valid true/false value. Valid true values are "true", "yes", "on", "1",
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and valid false values are "false", "no", "off", "0" (not case sensitive).
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@param section name of section
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@param name name of key
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@param default_value default if not found
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@return value
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*/
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bool GetBoolean(std::string section, std::string name, bool default_value);
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private:
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int _error;
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std::map<std::string, std::string> _values;
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static std::string MakeKey(std::string section, std::string name);
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int _error; //!< status
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std::map<std::string, std::string> _values; //!< values from file
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static std::string MakeKey(std::string section, std::string name); //!< return key encoded from section/name
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static int ValueHandler(void* user, const char* section, const char* name,
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const char* value);
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const char* value); //!< value handler
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};
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} // namespace Exiv2
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Robin Mills
8 years ago