diff --git a/Doxyfile b/Doxyfile index 9d827589..cbf2bb99 100644 --- a/Doxyfile +++ b/Doxyfile @@ -83,7 +83,7 @@ GENERATE_DEPRECATEDLIST= YES ENABLED_SECTIONS = MAX_INITIALIZER_LINES = 30 SHOW_USED_FILES = NO -SHOW_FILES = YES +SHOW_FILES = NO SHOW_NAMESPACES = NO FILE_VERSION_FILTER = LAYOUT_FILE = @@ -153,11 +153,11 @@ HTML_COLORSTYLE_GAMMA = 80 HTML_TIMESTAMP = YES HTML_DYNAMIC_SECTIONS = NO HTML_INDEX_NUM_ENTRIES = 100 -GENERATE_DOCSET = NO +GENERATE_DOCSET = YES DOCSET_FEEDNAME = "Doxygen generated docs" DOCSET_BUNDLE_ID = me.nlohmann.json DOCSET_PUBLISHER_ID = me.nlohmann -DOCSET_PUBLISHER_NAME = Publisher +DOCSET_PUBLISHER_NAME = Niels Lohmann GENERATE_HTMLHELP = NO CHM_FILE = HHC_LOCATION = diff --git a/Makefile b/Makefile index 7b043f95..c927a511 100644 --- a/Makefile +++ b/Makefile @@ -15,6 +15,24 @@ clean: json_unit: test/unit.cpp src/json.hpp test/catch.hpp $(CXX) -std=c++11 $(CXXFLAGS) $(FLAGS) $(CPPFLAGS) -I src -I test $< $(LDFLAGS) -o $@ +check: json_unit + ./json_unit "*" + make check -C docs/examples + +docset: + cp Doxyfile Doxyfile_docset + gsed -i 's/DISABLE_INDEX = NO/DISABLE_INDEX = YES/' Doxyfile_docset + gsed -i 's/SEARCHENGINE = YES/SEARCHENGINE = NO/' Doxyfile_docset + gsed -i 's/GENERATE_TREEVIEW = YES/GENERATE_TREEVIEW = NO/' Doxyfile_docset + gsed -i 's/SEPARATE_MEMBER_PAGES = NO/SEPARATE_MEMBER_PAGES = YES/' Doxyfile_docset + gsed -i 's/BINARY_TOC = YES/BINARY_TOC = NO/' Doxyfile_docset + rm -fr html *.docset + doxygen Doxyfile_docset + make -C html + mv html/*.docset . + gsed -i 's@doxygen@json@' me.nlohmann.json.docset/Contents/Info.plist + rm -fr Doxyfile_docset html + # create scanner with re2c re2c: src/json.hpp.re2c $(RE2C) -b -s -i --no-generation-date $< | $(SED) '1d' > src/json.hpp diff --git a/docs/examples/back.cpp b/docs/examples/back.cpp new file mode 100644 index 00000000..581d376d --- /dev/null +++ b/docs/examples/back.cpp @@ -0,0 +1,28 @@ +#include + +using namespace nlohmann; + +int main() +{ + // create JSON values + json j_null; + json j_boolean = true; + json j_number_integer = 17; + json j_number_float = 23.42; + json j_object = {{"one", 1}, {"two", 2}}; + json j_object_empty(json::value_t::object); + json j_array = {1, 2, 4, 8, 16}; + json j_array_empty(json::value_t::array); + json j_string = "Hello, world"; + + // call back() + //std::cout << j_null.back() << '\n'; // would throw + std::cout << j_boolean.back() << '\n'; + std::cout << j_number_integer.back() << '\n'; + std::cout << j_number_float.back() << '\n'; + std::cout << j_object.back() << '\n'; + //std::cout << j_object_empty.back() << '\n'; // would throw + std::cout << j_array.back() << '\n'; + //std::cout << j_array_empty.back() << '\n'; // would throw + std::cout << j_string.back() << '\n'; +} diff --git a/docs/examples/back.output b/docs/examples/back.output new file mode 100644 index 00000000..159ba0fc --- /dev/null +++ b/docs/examples/back.output @@ -0,0 +1,6 @@ +true +17 +23.42 +2 +16 +"Hello, world" diff --git a/docs/examples/front.cpp b/docs/examples/front.cpp new file mode 100644 index 00000000..8ed35764 --- /dev/null +++ b/docs/examples/front.cpp @@ -0,0 +1,28 @@ +#include + +using namespace nlohmann; + +int main() +{ + // create JSON values + json j_null; + json j_boolean = true; + json j_number_integer = 17; + json j_number_float = 23.42; + json j_object = {{"one", 1}, {"two", 2}}; + json j_object_empty(json::value_t::object); + json j_array = {1, 2, 4, 8, 16}; + json j_array_empty(json::value_t::array); + json j_string = "Hello, world"; + + // call front() + //std::cout << j_null.front() << '\n'; // would throw + std::cout << j_boolean.front() << '\n'; + std::cout << j_number_integer.front() << '\n'; + std::cout << j_number_float.front() << '\n'; + std::cout << j_object.front() << '\n'; + //std::cout << j_object_empty.front() << '\n'; // would throw + std::cout << j_array.front() << '\n'; + //std::cout << j_array_empty.front() << '\n'; // would throw + std::cout << j_string.front() << '\n'; +} diff --git a/docs/examples/front.output b/docs/examples/front.output new file mode 100644 index 00000000..6301db53 --- /dev/null +++ b/docs/examples/front.output @@ -0,0 +1,6 @@ +true +17 +23.42 +1 +1 +"Hello, world" diff --git a/src/json.hpp b/src/json.hpp index 262552e7..3e018944 100644 --- a/src/json.hpp +++ b/src/json.hpp @@ -1548,19 +1548,56 @@ class basic_json return m_value.object->operator[](key); } - /// access the first element + /*! + @brief access the first element + + Returns a reference to the first element in the container. For a JSON + container `c`, the expression `c.front()` is equivalent to `*c.begin()`. + + @return In case of a compound value (array or object), a reference to the + first element is returned. In cast of number, string, or boolean values, a + reference to the value is returned. + + @complexity Constant. + + @note Calling `front` on an empty container is undefined. + + @throw std::out_of_range when called on null value. + + @liveexample{The following code shows an example for @ref front.,front} + */ reference front() { return *begin(); } - /// access the first element + /*! + @copydoc basic_json::front() + */ const_reference front() const { return *cbegin(); } - /// access the last element + /*! + @brief access the last element + + Returns a reference to the last element in the container. For a JSON + container `c`, the expression `c.back()` is equivalent to `{ auto tmp = + c.end(); --tmp; return *tmp; }`. + + @return In case of a compound value (array or object), a reference to the + last element is returned. In cast of number, string, or boolean values, a + reference to the value is returned. + + @complexity Constant. + + @note Calling `back` on an empty container is undefined. + + @throw std::out_of_range when called on null value. + + @liveexample{The following code shows an example for @ref back.,back} + */ reference back() { auto tmp = end(); @@ -1568,7 +1605,9 @@ class basic_json return *tmp; } - /// access the last element + /*! + @copydoc basic_json::back() + */ const_reference back() const { auto tmp = cend(); @@ -4107,369 +4146,758 @@ class basic_json // remember the begin of the token m_start = m_cursor; - - { - lexer_char_t yych; - unsigned int yyaccept = 0; - static const unsigned char yybm[] = { - 0, 0, 0, 0, 0, 0, 0, 0, - 0, 32, 32, 0, 0, 32, 0, 0, - 64, 64, 64, 64, 64, 64, 64, 64, - 64, 64, 64, 64, 64, 64, 64, 64, - 96, 64, 0, 64, 64, 64, 64, 64, - 64, 64, 64, 64, 64, 64, 64, 64, - 192, 192, 192, 192, 192, 192, 192, 192, - 192, 192, 64, 64, 64, 64, 64, 64, - 64, 64, 64, 64, 64, 64, 64, 64, - 64, 64, 64, 64, 64, 64, 64, 64, - 64, 64, 64, 64, 64, 64, 64, 64, - 64, 64, 64, 64, 0, 64, 64, 64, - 64, 64, 64, 64, 64, 64, 64, 64, - 64, 64, 64, 64, 64, 64, 64, 64, - 64, 64, 64, 64, 64, 64, 64, 64, - 64, 64, 64, 64, 64, 64, 64, 64, - 64, 64, 64, 64, 64, 64, 64, 64, - 64, 64, 64, 64, 64, 64, 64, 64, - 64, 64, 64, 64, 64, 64, 64, 64, - 64, 64, 64, 64, 64, 64, 64, 64, - 64, 64, 64, 64, 64, 64, 64, 64, - 64, 64, 64, 64, 64, 64, 64, 64, - 64, 64, 64, 64, 64, 64, 64, 64, - 64, 64, 64, 64, 64, 64, 64, 64, - 64, 64, 64, 64, 64, 64, 64, 64, - 64, 64, 64, 64, 64, 64, 64, 64, - 64, 64, 64, 64, 64, 64, 64, 64, - 64, 64, 64, 64, 64, 64, 64, 64, - 64, 64, 64, 64, 64, 64, 64, 64, - 64, 64, 64, 64, 64, 64, 64, 64, - 64, 64, 64, 64, 64, 64, 64, 64, - 64, 64, 64, 64, 64, 64, 64, 64, - }; - if ((m_limit - m_cursor) < 5) yyfill(); // LCOV_EXCL_LINE; - yych = *m_cursor; - if (yych <= '9') { - if (yych <= ' ') { - if (yych <= '\n') { - if (yych <= 0x00) goto basic_json_parser_27; - if (yych <= 0x08) goto basic_json_parser_29; - if (yych >= '\n') goto basic_json_parser_4; - } else { - if (yych == '\r') goto basic_json_parser_2; - if (yych <= 0x1F) goto basic_json_parser_29; + { + lexer_char_t yych; + unsigned int yyaccept = 0; + static const unsigned char yybm[] = + { + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 32, 32, 0, 0, 32, 0, 0, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 96, 64, 0, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 192, 192, 192, 192, 192, 192, 192, 192, + 192, 192, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 0, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + }; + + if ((m_limit - m_cursor) < 5) + { + yyfill(); // LCOV_EXCL_LINE; } - } else { - if (yych <= ',') { - if (yych == '"') goto basic_json_parser_26; - if (yych <= '+') goto basic_json_parser_29; - goto basic_json_parser_14; - } else { - if (yych <= '-') goto basic_json_parser_22; - if (yych <= '/') goto basic_json_parser_29; - if (yych <= '0') goto basic_json_parser_23; - goto basic_json_parser_25; + yych = *m_cursor; + if (yych <= '9') + { + if (yych <= ' ') + { + if (yych <= '\n') + { + if (yych <= 0x00) + { + goto basic_json_parser_27; + } + if (yych <= 0x08) + { + goto basic_json_parser_29; + } + if (yych >= '\n') + { + goto basic_json_parser_4; + } + } + else + { + if (yych == '\r') + { + goto basic_json_parser_2; + } + if (yych <= 0x1F) + { + goto basic_json_parser_29; + } + } + } + else + { + if (yych <= ',') + { + if (yych == '"') + { + goto basic_json_parser_26; + } + if (yych <= '+') + { + goto basic_json_parser_29; + } + goto basic_json_parser_14; + } + else + { + if (yych <= '-') + { + goto basic_json_parser_22; + } + if (yych <= '/') + { + goto basic_json_parser_29; + } + if (yych <= '0') + { + goto basic_json_parser_23; + } + goto basic_json_parser_25; + } + } } - } - } else { - if (yych <= 'm') { - if (yych <= '\\') { - if (yych <= ':') goto basic_json_parser_16; - if (yych == '[') goto basic_json_parser_6; - goto basic_json_parser_29; - } else { - if (yych <= ']') goto basic_json_parser_8; - if (yych == 'f') goto basic_json_parser_21; - goto basic_json_parser_29; + else + { + if (yych <= 'm') + { + if (yych <= '\\') + { + if (yych <= ':') + { + goto basic_json_parser_16; + } + if (yych == '[') + { + goto basic_json_parser_6; + } + goto basic_json_parser_29; + } + else + { + if (yych <= ']') + { + goto basic_json_parser_8; + } + if (yych == 'f') + { + goto basic_json_parser_21; + } + goto basic_json_parser_29; + } + } + else + { + if (yych <= 'z') + { + if (yych <= 'n') + { + goto basic_json_parser_18; + } + if (yych == 't') + { + goto basic_json_parser_20; + } + goto basic_json_parser_29; + } + else + { + if (yych <= '{') + { + goto basic_json_parser_10; + } + if (yych == '}') + { + goto basic_json_parser_12; + } + goto basic_json_parser_29; + } + } } - } else { - if (yych <= 'z') { - if (yych <= 'n') goto basic_json_parser_18; - if (yych == 't') goto basic_json_parser_20; - goto basic_json_parser_29; - } else { - if (yych <= '{') goto basic_json_parser_10; - if (yych == '}') goto basic_json_parser_12; - goto basic_json_parser_29; - } - } - } basic_json_parser_2: - ++m_cursor; - yych = *m_cursor; - goto basic_json_parser_5; + ++m_cursor; + yych = *m_cursor; + goto basic_json_parser_5; basic_json_parser_3: - { return scan(); } + { + return scan(); + } basic_json_parser_4: - ++m_cursor; - if (m_limit <= m_cursor) yyfill(); // LCOV_EXCL_LINE; - yych = *m_cursor; + ++m_cursor; + if (m_limit <= m_cursor) + { + yyfill(); // LCOV_EXCL_LINE; + } + yych = *m_cursor; basic_json_parser_5: - if (yybm[0+yych] & 32) { - goto basic_json_parser_4; - } - goto basic_json_parser_3; + if (yybm[0 + yych] & 32) + { + goto basic_json_parser_4; + } + goto basic_json_parser_3; basic_json_parser_6: - ++m_cursor; - { return token_type::begin_array; } + ++m_cursor; + { + return token_type::begin_array; + } basic_json_parser_8: - ++m_cursor; - { return token_type::end_array; } + ++m_cursor; + { + return token_type::end_array; + } basic_json_parser_10: - ++m_cursor; - { return token_type::begin_object; } + ++m_cursor; + { + return token_type::begin_object; + } basic_json_parser_12: - ++m_cursor; - { return token_type::end_object; } + ++m_cursor; + { + return token_type::end_object; + } basic_json_parser_14: - ++m_cursor; - { return token_type::value_separator; } + ++m_cursor; + { + return token_type::value_separator; + } basic_json_parser_16: - ++m_cursor; - { return token_type::name_separator; } + ++m_cursor; + { + return token_type::name_separator; + } basic_json_parser_18: - yyaccept = 0; - yych = *(m_marker = ++m_cursor); - if (yych == 'u') goto basic_json_parser_59; + yyaccept = 0; + yych = *(m_marker = ++m_cursor); + if (yych == 'u') + { + goto basic_json_parser_59; + } basic_json_parser_19: - { return token_type::parse_error; } + { + return token_type::parse_error; + } basic_json_parser_20: - yyaccept = 0; - yych = *(m_marker = ++m_cursor); - if (yych == 'r') goto basic_json_parser_55; - goto basic_json_parser_19; + yyaccept = 0; + yych = *(m_marker = ++m_cursor); + if (yych == 'r') + { + goto basic_json_parser_55; + } + goto basic_json_parser_19; basic_json_parser_21: - yyaccept = 0; - yych = *(m_marker = ++m_cursor); - if (yych == 'a') goto basic_json_parser_50; - goto basic_json_parser_19; + yyaccept = 0; + yych = *(m_marker = ++m_cursor); + if (yych == 'a') + { + goto basic_json_parser_50; + } + goto basic_json_parser_19; basic_json_parser_22: - yych = *++m_cursor; - if (yych <= '/') goto basic_json_parser_19; - if (yych <= '0') goto basic_json_parser_49; - if (yych <= '9') goto basic_json_parser_40; - goto basic_json_parser_19; + yych = *++m_cursor; + if (yych <= '/') + { + goto basic_json_parser_19; + } + if (yych <= '0') + { + goto basic_json_parser_49; + } + if (yych <= '9') + { + goto basic_json_parser_40; + } + goto basic_json_parser_19; basic_json_parser_23: - yyaccept = 1; - yych = *(m_marker = ++m_cursor); - if (yych <= 'D') { - if (yych == '.') goto basic_json_parser_42; - } else { - if (yych <= 'E') goto basic_json_parser_43; - if (yych == 'e') goto basic_json_parser_43; - } + yyaccept = 1; + yych = *(m_marker = ++m_cursor); + if (yych <= 'D') + { + if (yych == '.') + { + goto basic_json_parser_42; + } + } + else + { + if (yych <= 'E') + { + goto basic_json_parser_43; + } + if (yych == 'e') + { + goto basic_json_parser_43; + } + } basic_json_parser_24: - { return token_type::value_number; } + { + return token_type::value_number; + } basic_json_parser_25: - yyaccept = 1; - yych = *(m_marker = ++m_cursor); - goto basic_json_parser_41; + yyaccept = 1; + yych = *(m_marker = ++m_cursor); + goto basic_json_parser_41; basic_json_parser_26: - yyaccept = 0; - yych = *(m_marker = ++m_cursor); - if (yych <= 0x0F) goto basic_json_parser_19; - goto basic_json_parser_31; + yyaccept = 0; + yych = *(m_marker = ++m_cursor); + if (yych <= 0x0F) + { + goto basic_json_parser_19; + } + goto basic_json_parser_31; basic_json_parser_27: - ++m_cursor; - { return token_type::end_of_input; } + ++m_cursor; + { + return token_type::end_of_input; + } basic_json_parser_29: - yych = *++m_cursor; - goto basic_json_parser_19; + yych = *++m_cursor; + goto basic_json_parser_19; basic_json_parser_30: - ++m_cursor; - if (m_limit <= m_cursor) yyfill(); // LCOV_EXCL_LINE; - yych = *m_cursor; + ++m_cursor; + if (m_limit <= m_cursor) + { + yyfill(); // LCOV_EXCL_LINE; + } + yych = *m_cursor; basic_json_parser_31: - if (yybm[0+yych] & 64) { - goto basic_json_parser_30; - } - if (yych <= 0x0F) goto basic_json_parser_32; - if (yych <= '"') goto basic_json_parser_34; - goto basic_json_parser_33; -basic_json_parser_32: - m_cursor = m_marker; - if (yyaccept == 0) { - goto basic_json_parser_19; - } else { - goto basic_json_parser_24; - } -basic_json_parser_33: - ++m_cursor; - if (m_limit <= m_cursor) yyfill(); // LCOV_EXCL_LINE; - yych = *m_cursor; - if (yych <= 'e') { - if (yych <= '/') { - if (yych == '"') goto basic_json_parser_30; - if (yych <= '.') goto basic_json_parser_32; - goto basic_json_parser_30; - } else { - if (yych <= '\\') { - if (yych <= '[') goto basic_json_parser_32; + if (yybm[0 + yych] & 64) + { goto basic_json_parser_30; - } else { - if (yych == 'b') goto basic_json_parser_30; + } + if (yych <= 0x0F) + { goto basic_json_parser_32; } - } - } else { - if (yych <= 'q') { - if (yych <= 'f') goto basic_json_parser_30; - if (yych == 'n') goto basic_json_parser_30; - goto basic_json_parser_32; - } else { - if (yych <= 's') { - if (yych <= 'r') goto basic_json_parser_30; - goto basic_json_parser_32; - } else { - if (yych <= 't') goto basic_json_parser_30; - if (yych <= 'u') goto basic_json_parser_36; - goto basic_json_parser_32; + if (yych <= '"') + { + goto basic_json_parser_34; + } + goto basic_json_parser_33; +basic_json_parser_32: + m_cursor = m_marker; + if (yyaccept == 0) + { + goto basic_json_parser_19; + } + else + { + goto basic_json_parser_24; + } +basic_json_parser_33: + ++m_cursor; + if (m_limit <= m_cursor) + { + yyfill(); // LCOV_EXCL_LINE; + } + yych = *m_cursor; + if (yych <= 'e') + { + if (yych <= '/') + { + if (yych == '"') + { + goto basic_json_parser_30; + } + if (yych <= '.') + { + goto basic_json_parser_32; + } + goto basic_json_parser_30; + } + else + { + if (yych <= '\\') + { + if (yych <= '[') + { + goto basic_json_parser_32; + } + goto basic_json_parser_30; + } + else + { + if (yych == 'b') + { + goto basic_json_parser_30; + } + goto basic_json_parser_32; + } + } + } + else + { + if (yych <= 'q') + { + if (yych <= 'f') + { + goto basic_json_parser_30; + } + if (yych == 'n') + { + goto basic_json_parser_30; + } + goto basic_json_parser_32; + } + else + { + if (yych <= 's') + { + if (yych <= 'r') + { + goto basic_json_parser_30; + } + goto basic_json_parser_32; + } + else + { + if (yych <= 't') + { + goto basic_json_parser_30; + } + if (yych <= 'u') + { + goto basic_json_parser_36; + } + goto basic_json_parser_32; + } + } } - } - } basic_json_parser_34: - ++m_cursor; - { return token_type::value_string; } + ++m_cursor; + { + return token_type::value_string; + } basic_json_parser_36: - ++m_cursor; - if (m_limit <= m_cursor) yyfill(); // LCOV_EXCL_LINE; - yych = *m_cursor; - if (yych <= '@') { - if (yych <= '/') goto basic_json_parser_32; - if (yych >= ':') goto basic_json_parser_32; - } else { - if (yych <= 'F') goto basic_json_parser_37; - if (yych <= '`') goto basic_json_parser_32; - if (yych >= 'g') goto basic_json_parser_32; - } + ++m_cursor; + if (m_limit <= m_cursor) + { + yyfill(); // LCOV_EXCL_LINE; + } + yych = *m_cursor; + if (yych <= '@') + { + if (yych <= '/') + { + goto basic_json_parser_32; + } + if (yych >= ':') + { + goto basic_json_parser_32; + } + } + else + { + if (yych <= 'F') + { + goto basic_json_parser_37; + } + if (yych <= '`') + { + goto basic_json_parser_32; + } + if (yych >= 'g') + { + goto basic_json_parser_32; + } + } basic_json_parser_37: - ++m_cursor; - if (m_limit <= m_cursor) yyfill(); // LCOV_EXCL_LINE; - yych = *m_cursor; - if (yych <= '@') { - if (yych <= '/') goto basic_json_parser_32; - if (yych >= ':') goto basic_json_parser_32; - } else { - if (yych <= 'F') goto basic_json_parser_38; - if (yych <= '`') goto basic_json_parser_32; - if (yych >= 'g') goto basic_json_parser_32; - } + ++m_cursor; + if (m_limit <= m_cursor) + { + yyfill(); // LCOV_EXCL_LINE; + } + yych = *m_cursor; + if (yych <= '@') + { + if (yych <= '/') + { + goto basic_json_parser_32; + } + if (yych >= ':') + { + goto basic_json_parser_32; + } + } + else + { + if (yych <= 'F') + { + goto basic_json_parser_38; + } + if (yych <= '`') + { + goto basic_json_parser_32; + } + if (yych >= 'g') + { + goto basic_json_parser_32; + } + } basic_json_parser_38: - ++m_cursor; - if (m_limit <= m_cursor) yyfill(); // LCOV_EXCL_LINE; - yych = *m_cursor; - if (yych <= '@') { - if (yych <= '/') goto basic_json_parser_32; - if (yych >= ':') goto basic_json_parser_32; - } else { - if (yych <= 'F') goto basic_json_parser_39; - if (yych <= '`') goto basic_json_parser_32; - if (yych >= 'g') goto basic_json_parser_32; - } + ++m_cursor; + if (m_limit <= m_cursor) + { + yyfill(); // LCOV_EXCL_LINE; + } + yych = *m_cursor; + if (yych <= '@') + { + if (yych <= '/') + { + goto basic_json_parser_32; + } + if (yych >= ':') + { + goto basic_json_parser_32; + } + } + else + { + if (yych <= 'F') + { + goto basic_json_parser_39; + } + if (yych <= '`') + { + goto basic_json_parser_32; + } + if (yych >= 'g') + { + goto basic_json_parser_32; + } + } basic_json_parser_39: - ++m_cursor; - if (m_limit <= m_cursor) yyfill(); // LCOV_EXCL_LINE; - yych = *m_cursor; - if (yych <= '@') { - if (yych <= '/') goto basic_json_parser_32; - if (yych <= '9') goto basic_json_parser_30; - goto basic_json_parser_32; - } else { - if (yych <= 'F') goto basic_json_parser_30; - if (yych <= '`') goto basic_json_parser_32; - if (yych <= 'f') goto basic_json_parser_30; - goto basic_json_parser_32; - } + ++m_cursor; + if (m_limit <= m_cursor) + { + yyfill(); // LCOV_EXCL_LINE; + } + yych = *m_cursor; + if (yych <= '@') + { + if (yych <= '/') + { + goto basic_json_parser_32; + } + if (yych <= '9') + { + goto basic_json_parser_30; + } + goto basic_json_parser_32; + } + else + { + if (yych <= 'F') + { + goto basic_json_parser_30; + } + if (yych <= '`') + { + goto basic_json_parser_32; + } + if (yych <= 'f') + { + goto basic_json_parser_30; + } + goto basic_json_parser_32; + } basic_json_parser_40: - yyaccept = 1; - m_marker = ++m_cursor; - if ((m_limit - m_cursor) < 3) yyfill(); // LCOV_EXCL_LINE; - yych = *m_cursor; + yyaccept = 1; + m_marker = ++m_cursor; + if ((m_limit - m_cursor) < 3) + { + yyfill(); // LCOV_EXCL_LINE; + } + yych = *m_cursor; basic_json_parser_41: - if (yybm[0+yych] & 128) { - goto basic_json_parser_40; - } - if (yych <= 'D') { - if (yych != '.') goto basic_json_parser_24; - } else { - if (yych <= 'E') goto basic_json_parser_43; - if (yych == 'e') goto basic_json_parser_43; - goto basic_json_parser_24; - } + if (yybm[0 + yych] & 128) + { + goto basic_json_parser_40; + } + if (yych <= 'D') + { + if (yych != '.') + { + goto basic_json_parser_24; + } + } + else + { + if (yych <= 'E') + { + goto basic_json_parser_43; + } + if (yych == 'e') + { + goto basic_json_parser_43; + } + goto basic_json_parser_24; + } basic_json_parser_42: - yych = *++m_cursor; - if (yych <= '/') goto basic_json_parser_32; - if (yych <= '9') goto basic_json_parser_47; - goto basic_json_parser_32; + yych = *++m_cursor; + if (yych <= '/') + { + goto basic_json_parser_32; + } + if (yych <= '9') + { + goto basic_json_parser_47; + } + goto basic_json_parser_32; basic_json_parser_43: - yych = *++m_cursor; - if (yych <= ',') { - if (yych != '+') goto basic_json_parser_32; - } else { - if (yych <= '-') goto basic_json_parser_44; - if (yych <= '/') goto basic_json_parser_32; - if (yych <= '9') goto basic_json_parser_45; - goto basic_json_parser_32; - } + yych = *++m_cursor; + if (yych <= ',') + { + if (yych != '+') + { + goto basic_json_parser_32; + } + } + else + { + if (yych <= '-') + { + goto basic_json_parser_44; + } + if (yych <= '/') + { + goto basic_json_parser_32; + } + if (yych <= '9') + { + goto basic_json_parser_45; + } + goto basic_json_parser_32; + } basic_json_parser_44: - yych = *++m_cursor; - if (yych <= '/') goto basic_json_parser_32; - if (yych >= ':') goto basic_json_parser_32; + yych = *++m_cursor; + if (yych <= '/') + { + goto basic_json_parser_32; + } + if (yych >= ':') + { + goto basic_json_parser_32; + } basic_json_parser_45: - ++m_cursor; - if (m_limit <= m_cursor) yyfill(); // LCOV_EXCL_LINE; - yych = *m_cursor; - if (yych <= '/') goto basic_json_parser_24; - if (yych <= '9') goto basic_json_parser_45; - goto basic_json_parser_24; + ++m_cursor; + if (m_limit <= m_cursor) + { + yyfill(); // LCOV_EXCL_LINE; + } + yych = *m_cursor; + if (yych <= '/') + { + goto basic_json_parser_24; + } + if (yych <= '9') + { + goto basic_json_parser_45; + } + goto basic_json_parser_24; basic_json_parser_47: - yyaccept = 1; - m_marker = ++m_cursor; - if ((m_limit - m_cursor) < 3) yyfill(); // LCOV_EXCL_LINE; - yych = *m_cursor; - if (yych <= 'D') { - if (yych <= '/') goto basic_json_parser_24; - if (yych <= '9') goto basic_json_parser_47; - goto basic_json_parser_24; - } else { - if (yych <= 'E') goto basic_json_parser_43; - if (yych == 'e') goto basic_json_parser_43; - goto basic_json_parser_24; - } + yyaccept = 1; + m_marker = ++m_cursor; + if ((m_limit - m_cursor) < 3) + { + yyfill(); // LCOV_EXCL_LINE; + } + yych = *m_cursor; + if (yych <= 'D') + { + if (yych <= '/') + { + goto basic_json_parser_24; + } + if (yych <= '9') + { + goto basic_json_parser_47; + } + goto basic_json_parser_24; + } + else + { + if (yych <= 'E') + { + goto basic_json_parser_43; + } + if (yych == 'e') + { + goto basic_json_parser_43; + } + goto basic_json_parser_24; + } basic_json_parser_49: - yyaccept = 1; - yych = *(m_marker = ++m_cursor); - if (yych <= 'D') { - if (yych == '.') goto basic_json_parser_42; - goto basic_json_parser_24; - } else { - if (yych <= 'E') goto basic_json_parser_43; - if (yych == 'e') goto basic_json_parser_43; - goto basic_json_parser_24; - } + yyaccept = 1; + yych = *(m_marker = ++m_cursor); + if (yych <= 'D') + { + if (yych == '.') + { + goto basic_json_parser_42; + } + goto basic_json_parser_24; + } + else + { + if (yych <= 'E') + { + goto basic_json_parser_43; + } + if (yych == 'e') + { + goto basic_json_parser_43; + } + goto basic_json_parser_24; + } basic_json_parser_50: - yych = *++m_cursor; - if (yych != 'l') goto basic_json_parser_32; - yych = *++m_cursor; - if (yych != 's') goto basic_json_parser_32; - yych = *++m_cursor; - if (yych != 'e') goto basic_json_parser_32; - ++m_cursor; - { return token_type::literal_false; } + yych = *++m_cursor; + if (yych != 'l') + { + goto basic_json_parser_32; + } + yych = *++m_cursor; + if (yych != 's') + { + goto basic_json_parser_32; + } + yych = *++m_cursor; + if (yych != 'e') + { + goto basic_json_parser_32; + } + ++m_cursor; + { + return token_type::literal_false; + } basic_json_parser_55: - yych = *++m_cursor; - if (yych != 'u') goto basic_json_parser_32; - yych = *++m_cursor; - if (yych != 'e') goto basic_json_parser_32; - ++m_cursor; - { return token_type::literal_true; } + yych = *++m_cursor; + if (yych != 'u') + { + goto basic_json_parser_32; + } + yych = *++m_cursor; + if (yych != 'e') + { + goto basic_json_parser_32; + } + ++m_cursor; + { + return token_type::literal_true; + } basic_json_parser_59: - yych = *++m_cursor; - if (yych != 'l') goto basic_json_parser_32; - yych = *++m_cursor; - if (yych != 'l') goto basic_json_parser_32; - ++m_cursor; - { return token_type::literal_null; } - } + yych = *++m_cursor; + if (yych != 'l') + { + goto basic_json_parser_32; + } + yych = *++m_cursor; + if (yych != 'l') + { + goto basic_json_parser_32; + } + ++m_cursor; + { + return token_type::literal_null; + } + } } diff --git a/src/json.hpp.re2c b/src/json.hpp.re2c index b1de4494..fafef9b2 100644 --- a/src/json.hpp.re2c +++ b/src/json.hpp.re2c @@ -1548,19 +1548,56 @@ class basic_json return m_value.object->operator[](key); } - /// access the first element + /*! + @brief access the first element + + Returns a reference to the first element in the container. For a JSON + container `c`, the expression `c.front()` is equivalent to `*c.begin()`. + + @return In case of a compound value (array or object), a reference to the + first element is returned. In cast of number, string, or boolean values, a + reference to the value is returned. + + @complexity Constant. + + @note Calling `front` on an empty container is undefined. + + @throw std::out_of_range when called on null value. + + @liveexample{The following code shows an example for @ref front.,front} + */ reference front() { return *begin(); } - /// access the first element + /*! + @copydoc basic_json::front() + */ const_reference front() const { return *cbegin(); } - /// access the last element + /*! + @brief access the last element + + Returns a reference to the last element in the container. For a JSON + container `c`, the expression `c.back()` is equivalent to `{ auto tmp = + c.end(); --tmp; return *tmp; }`. + + @return In case of a compound value (array or object), a reference to the + last element is returned. In cast of number, string, or boolean values, a + reference to the value is returned. + + @complexity Constant. + + @note Calling `back` on an empty container is undefined. + + @throw std::out_of_range when called on null value. + + @liveexample{The following code shows an example for @ref back.,back} + */ reference back() { auto tmp = end(); @@ -1568,7 +1605,9 @@ class basic_json return *tmp; } - /// access the last element + /*! + @copydoc basic_json::back() + */ const_reference back() const { auto tmp = cend();