!***************************************************************************************** !> author: Jacob Williams ! license: BSD ! ! Other parameters used by JSON-Fortran. ! This is a low-level module not meant to be used by a JSON-Fortran user. ! !### License ! * JSON-Fortran is released under a BSD-style license. ! See the [LICENSE](https://github.com/jacobwilliams/json-fortran/blob/master/LICENSE) ! file for details. module json_parameters use json_kinds implicit none public character(kind=CDK,len=*),parameter :: json_ext = '.json' !! JSON file extension ! The types of JSON data. integer(IK),parameter :: json_unknown = 0 !! Unknown JSON data type !! (see [[json_file_variable_info]] and [[json_info]]) integer(IK),parameter :: json_null = 1 !! Null JSON data type !! (see [[json_file_variable_info]] and [[json_info]]) integer(IK),parameter :: json_object = 2 !! Object JSON data type !! (see [[json_file_variable_info]] and [[json_info]]) integer(IK),parameter :: json_array = 3 !! Array JSON data type !! (see [[json_file_variable_info]] and [[json_info]]) integer(IK),parameter :: json_logical = 4 !! Logical JSON data type !! (see [[json_file_variable_info]] and [[json_info]]) integer(IK),parameter :: json_integer = 5 !! Integer JSON data type !! (see [[json_file_variable_info]] and [[json_info]]) integer(IK),parameter :: json_double = 6 !! Double JSON data type !! (see [[json_file_variable_info]] and [[json_info]]) integer(IK),parameter :: json_string = 7 !! String JSON data type !special JSON characters character(kind=CK,len=*),parameter :: space = CK_' ' !! space character character(kind=CK,len=*),parameter :: start_object = CK_'{' !! start of a JSON object character(kind=CK,len=*),parameter :: end_object = CK_'}' !! end of a JSON object character(kind=CK,len=*),parameter :: start_array = CK_'[' !! start of a JSON array character(kind=CK,len=*),parameter :: end_array = CK_']' !! end of a JSON array character(kind=CK,len=*),parameter :: delimiter = CK_',' !! delimiter for JSON character(kind=CK,len=*),parameter :: colon_char = CK_':' !! colon character for JSON character(kind=CK,len=*),parameter :: start_array_alt = CK_'(' !! alternate start of JSON array for !! [[json_get_by_path_default]] character(kind=CK,len=*),parameter :: end_array_alt = CK_')' !! alternate end of JSON array for !! [[json_get_by_path_default]] character(kind=CK,len=*),parameter :: root = CK_'$' !! root for [[json_get_by_path_default]] character(kind=CK,len=*),parameter :: this = CK_'@' !! 'this' for [[json_get_by_path_default]] character(kind=CK,len=*),parameter :: dot = CK_'.' !! path separator for [[json_get_by_path_default]] character(kind=CK,len=*),parameter :: tilde = CK_'~' !! RFC 6901 escape character character(kind=CK,len=*),parameter :: percent = CK_'%' !! Fortran path separator character(kind=CK,len=*),parameter :: single_quote = CK_"'" !! for JSONPath bracket-notation character(kind=CK,len=*),parameter :: bspace = achar(8, kind=CK) !! JSON special character character(kind=CK,len=*),parameter :: horizontal_tab = achar(9, kind=CK) !! JSON special character character(kind=CK,len=*),parameter :: newline = achar(10, kind=CK) !! JSON special character character(kind=CK,len=*),parameter :: formfeed = achar(12, kind=CK) !! JSON special character character(kind=CK,len=*),parameter :: carriage_return = achar(13, kind=CK) !! JSON special character character(kind=CK,len=*),parameter :: quotation_mark = achar(34, kind=CK) !! JSON special character character(kind=CK,len=*),parameter :: slash = achar(47, kind=CK) !! JSON special character character(kind=CK,len=*),parameter :: backslash = achar(92, kind=CK) !! JSON special character character(kind=CDK,len=*),parameter :: default_real_fmt = '(ss,E27.17E4)' !! default real number format statement (for writing real values to strings and files). !! Note that this can be overridden by calling [[json_initialize]]. character(kind=CK,len=*),parameter :: star = CK_'*' !! for invalid numbers and !! list-directed real output #if defined __GFORTRAN__ !not parameters due to gfortran bug (https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65141) character(kind=CK,len=26),protected :: upper = CK_'ABCDEFGHIJKLMNOPQRSTUVWXYZ' !! uppercase characters character(kind=CK,len=26),protected :: lower = CK_'abcdefghijklmnopqrstuvwxyz' !! lowercase characters #else character(kind=CK,len=*),parameter :: upper = CK_'ABCDEFGHIJKLMNOPQRSTUVWXYZ' !! uppercase characters character(kind=CK,len=*),parameter :: lower = CK_'abcdefghijklmnopqrstuvwxyz' !! lowercase characters #endif #if defined __GFORTRAN__ !not parameters due to gfortran bug (https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65141) character(kind=CK,len=4),protected :: null_str = CK_'null' !! JSON Null variable string character(kind=CK,len=4),protected :: true_str = CK_'true' !! JSON logical True string character(kind=CK,len=5),protected :: false_str = CK_'false' !! JSON logical False string #else character(kind=CK,len=*),parameter :: null_str = CK_'null' !! JSON Null variable string character(kind=CK,len=*),parameter :: true_str = CK_'true' !! JSON logical True string character(kind=CK,len=*),parameter :: false_str = CK_'false' !! JSON logical False string #endif integer, private :: i_ !! just a counter for `control_chars` array character(kind=CK,len=*),dimension(32),parameter :: control_chars = & [(achar(i_,kind=CK),i_=1,31), achar(127,kind=CK)] !! Control characters, possibly in unicode !find out the precision of the floating point number system !and set safety factors integer(IK),parameter :: rp_safety_factor = 1_IK integer(IK),parameter :: rp_addl_safety = 2_IK integer(IK),parameter :: real_precision = rp_safety_factor*precision(1.0_RK) + & rp_addl_safety !Get the number of possible digits in the exponent when using decimal number system integer(IK),parameter :: maxexp = maxexponent(1.0_RK) integer(IK),parameter :: minexp = minexponent(1.0_RK) integer(IK),parameter :: real_exponent_digits = floor( 1_IK + log10( & real(max(maxexp,abs(maxexp)),& kind=RK) ) ) integer(IK),parameter :: max_numeric_str_len = real_precision + real_exponent_digits + 6_IK !! 6 = sign + leading 0 + decimal + 'E' + exponent sign + 1 extra character(kind=CDK,len=*),parameter :: int_fmt = '(ss,I0)' !! minimum width format for integers integer(IK),parameter :: max_integer_str_len = 256 !! maximum string length of an integer. !! This is totally arbitrary (any way !! to get the compiler to tell us this?) integer(IK),parameter :: chunk_size = 100_IK !! for allocatable strings: allocate chunks of this size integer(IK),parameter :: unit2str = -1_IK !! unit number to cause stuff to be !! output to strings rather than files. !! See 9.5.6.12 in the F2003/08 standard integer(IK),parameter :: seq_chunk_size = 256_IK !! chunk size for reading sequential files integer(IK),parameter :: pushed_char_size = 10_IK !! size for `pushed_char` !! array in [[json_core(type)]] end module json_parameters !*****************************************************************************************