11128098563

Committed 11 Oct 2024 05:57PM UTC coverage: 95.295%. First build

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Merge b40abfb84 into bd25fc5ea

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/src/lib_json/json_tool.h

// Copyright 2007-2010 Baptiste Lepilleur and The JsonCpp Authors
// Distributed under MIT license, or public domain if desired and
// recognized in your jurisdiction.
// See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE

#ifndef LIB_JSONCPP_JSON_TOOL_H_INCLUDED
#define LIB_JSONCPP_JSON_TOOL_H_INCLUDED

#if !defined(JSON_IS_AMALGAMATION)
#include <json/config.h>
#endif

// Also support old flag NO_LOCALE_SUPPORT
#ifdef NO_LOCALE_SUPPORT
#define JSONCPP_NO_LOCALE_SUPPORT
#endif

#ifndef JSONCPP_NO_LOCALE_SUPPORT
#include <clocale>
#endif

/* This header provides common string manipulation support, such as UTF-8,
 * portable conversion from/to string...
 *
 * It is an internal header that must not be exposed.
 */

namespace Json {
static inline char getDecimalPoint() {
#ifdef JSONCPP_NO_LOCALE_SUPPORT
  return '\0';
#else
  struct lconv* lc = localeconv();
  return lc ? *(lc->decimal_point) : '\0';
#endif
}

/// Converts a unicode code-point to UTF-8.
static inline String codePointToUTF8(unsigned int cp) {
  String result;

  // based on description from http://en.wikipedia.org/wiki/UTF-8

  if (cp <= 0x7f) {
    result.resize(1);
    result[0] = static_cast<char>(cp);
  } else if (cp <= 0x7FF) {
    result.resize(2);
    result[1] = static_cast<char>(0x80 | (0x3f & cp));
    result[0] = static_cast<char>(0xC0 | (0x1f & (cp >> 6)));
  } else if (cp <= 0xFFFF) {
    result.resize(3);
    result[2] = static_cast<char>(0x80 | (0x3f & cp));
    result[1] = static_cast<char>(0x80 | (0x3f & (cp >> 6)));
    result[0] = static_cast<char>(0xE0 | (0xf & (cp >> 12)));
  } else if (cp <= 0x10FFFF) {
    result.resize(4);
    result[3] = static_cast<char>(0x80 | (0x3f & cp));
    result[2] = static_cast<char>(0x80 | (0x3f & (cp >> 6)));
    result[1] = static_cast<char>(0x80 | (0x3f & (cp >> 12)));
    result[0] = static_cast<char>(0xF0 | (0x7 & (cp >> 18)));
  }

  return result;
}

enum {
  /// Constant that specify the size of the buffer that must be passed to
  /// uintToString.
  uintToStringBufferSize = 3 * sizeof(LargestUInt) + 1
};

// Defines a char buffer for use with uintToString().
using UIntToStringBuffer = char[uintToStringBufferSize];

/** Converts an unsigned integer to string.
 * @param value Unsigned integer to convert to string
 * @param current Input/Output string buffer.
 *        Must have at least uintToStringBufferSize chars free.
 */
static inline void uintToString(LargestUInt value, char*& current) {
  *--current = 0;
  do {
    *--current = static_cast<char>(value % 10U + static_cast<unsigned>('0'));
    value /= 10;
  } while (value != 0);
}

/** Change ',' to '.' everywhere in buffer.
 *
 * We had a sophisticated way, but it did not work in WinCE.
 * @see https://github.com/open-source-parsers/jsoncpp/pull/9
 */
template <typename Iter> Iter fixNumericLocale(Iter begin, Iter end) {
  for (; begin != end; ++begin) {
    if (*begin == ',') {
      *begin = '.';
    }
  }
  return begin;
}

template <typename Iter> void fixNumericLocaleInput(Iter begin, Iter end) {
  char decimalPoint = getDecimalPoint();
  if (decimalPoint == '\0' || decimalPoint == '.') {
    return;
  }
  for (; begin != end; ++begin) {
    if (*begin == '.') {
      *begin = decimalPoint;
    }
  }
}

/**
 * Return iterator that would be the new end of the range [begin,end), if we
 * were to delete zeros in the end of string, but not the last zero before '.'.
 */
template <typename Iter>
Iter fixZerosInTheEnd(Iter begin, Iter end, unsigned int precision) {
  for (; begin != end; --end) {
    if (*(end - 1) != '0') {
      return end;
    }
    // Don't delete the last zero before the decimal point.
    if (begin != (end - 1) && begin != (end - 2) && *(end - 2) == '.') {
      if (precision) {
        return end;
      }
      return end - 2;
    }
  }
  return end;
}

} // namespace Json

#endif // LIB_JSONCPP_JSON_TOOL_H_INCLUDED

1	// Copyright 2007-2010 Baptiste Lepilleur and The JsonCpp Authors
2	// Distributed under MIT license, or public domain if desired and
3	// recognized in your jurisdiction.
4	// See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
5
6	#ifndef LIB_JSONCPP_JSON_TOOL_H_INCLUDED
7	#define LIB_JSONCPP_JSON_TOOL_H_INCLUDED
8
9	#if !defined(JSON_IS_AMALGAMATION)
10	#include <json/config.h>
11	#endif
12
13	// Also support old flag NO_LOCALE_SUPPORT
14	#ifdef NO_LOCALE_SUPPORT
15	#define JSONCPP_NO_LOCALE_SUPPORT
16	#endif
17
18	#ifndef JSONCPP_NO_LOCALE_SUPPORT
19	#include <clocale>
20	#endif
21
22	/* This header provides common string manipulation support, such as UTF-8,
23	* portable conversion from/to string...
24	*
25	* It is an internal header that must not be exposed.
26	*/
27
28	namespace Json {
29	static inline char getDecimalPoint() {
30	#ifdef JSONCPP_NO_LOCALE_SUPPORT
31	return '\0';
32	#else
33	struct lconv* lc = localeconv();
34	return lc ? *(lc->decimal_point) : '\0';
35	#endif
36	}
37
38	/// Converts a unicode code-point to UTF-8.
39	static inline String codePointToUTF8(unsigned int cp) {	240✔
40	String result;
41
42	// based on description from http://en.wikipedia.org/wiki/UTF-8
43
44	if (cp <= 0x7f) {	240✔
45	result.resize(1);
46	result[0] = static_cast<char>(cp);	15✔
47	} else if (cp <= 0x7FF) {	225✔
48	result.resize(2);
49	result[1] = static_cast<char>(0x80 \| (0x3f & cp));	137✔
50	result[0] = static_cast<char>(0xC0 \| (0x1f & (cp >> 6)));	137✔
51	} else if (cp <= 0xFFFF) {	88✔
52	result.resize(3);
53	result[2] = static_cast<char>(0x80 \| (0x3f & cp));	62✔
54	result[1] = static_cast<char>(0x80 \| (0x3f & (cp >> 6)));	62✔
55	result[0] = static_cast<char>(0xE0 \| (0xf & (cp >> 12)));	62✔
56	} else if (cp <= 0x10FFFF) {	26✔
57	result.resize(4);
58	result[3] = static_cast<char>(0x80 \| (0x3f & cp));	26✔
59	result[2] = static_cast<char>(0x80 \| (0x3f & (cp >> 6)));	26✔
60	result[1] = static_cast<char>(0x80 \| (0x3f & (cp >> 12)));	26✔
61	result[0] = static_cast<char>(0xF0 \| (0x7 & (cp >> 18)));	26✔
62	}
63
64	return result;	240✔
65	}
66
67	enum {
68	/// Constant that specify the size of the buffer that must be passed to
69	/// uintToString.
70	uintToStringBufferSize = 3 * sizeof(LargestUInt) + 1
71	};
72
73	// Defines a char buffer for use with uintToString().
74	using UIntToStringBuffer = char[uintToStringBufferSize];
75
76	/** Converts an unsigned integer to string.
77	* @param value Unsigned integer to convert to string
78	* @param current Input/Output string buffer.
79	* Must have at least uintToStringBufferSize chars free.
80	*/
81	static inline void uintToString(LargestUInt value, char*& current) {
82	*--current = 0;	157,711✔
83	do {
84	*--current = static_cast<char>(value % 10U + static_cast<unsigned>('0'));	544,825✔
85	value /= 10;	544,825✔
86	} while (value != 0);	544,825✔
87	}
88
89	/** Change ',' to '.' everywhere in buffer.
90	*
91	* We had a sophisticated way, but it did not work in WinCE.
92	* @see https://github.com/open-source-parsers/jsoncpp/pull/9
93	*/
94	template <typename Iter> Iter fixNumericLocale(Iter begin, Iter end) {
95	for (; begin != end; ++begin) {	1,995✔
96	if (*begin == ',') {	1,836✔
97	*begin = '.';	×
98	}
99	}
100	return begin;
101	}
102
103	template <typename Iter> void fixNumericLocaleInput(Iter begin, Iter end) {
104	char decimalPoint = getDecimalPoint();
105	if (decimalPoint == '\0' \|\| decimalPoint == '.') {
106	return;
107	}
108	for (; begin != end; ++begin) {
109	if (*begin == '.') {
110	*begin = decimalPoint;
111	}
112	}
113	}
114
115	/**
116	* Return iterator that would be the new end of the range [begin,end), if we
117	* were to delete zeros in the end of string, but not the last zero before '.'.
118	*/
119	template <typename Iter>
120	Iter fixZerosInTheEnd(Iter begin, Iter end, unsigned int precision) {	7✔
121	for (; begin != end; --end) {	14✔
122	if (*(end - 1) != '0') {	14✔
123	return end;	3✔
124	}
125	// Don't delete the last zero before the decimal point.
126	if (begin != (end - 1) && begin != (end - 2) && *(end - 2) == '.') {	11✔
127	if (precision) {	4✔
128	return end;	1✔
129	}
130	return end - 2;
131	}
132	}
133	return end;	×
134	}
135
136	} // namespace Json
137
138	#endif // LIB_JSONCPP_JSON_TOOL_H_INCLUDED

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