176 lines
6.4 KiB
C
176 lines
6.4 KiB
C
/*
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MIT License
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Copyright (c) 2017 - 2019 CK Tan
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https://github.com/cktan/tomlc99
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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#ifndef TOML_H
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#define TOML_H
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#include <stdio.h>
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#include <stdint.h>
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#ifdef __cplusplus
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#define TOML_EXTERN extern "C"
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#else
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#define TOML_EXTERN extern
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#endif
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typedef struct toml_timestamp_t toml_timestamp_t;
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typedef struct toml_table_t toml_table_t;
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typedef struct toml_array_t toml_array_t;
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typedef struct toml_datum_t toml_datum_t;
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/* Parse a file. Return a table on success, or 0 otherwise.
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* Caller must toml_free(the-return-value) after use.
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*/
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TOML_EXTERN toml_table_t* toml_parse_file(FILE* fp,
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char* errbuf,
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int errbufsz);
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/* Parse a string containing the full config.
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* Return a table on success, or 0 otherwise.
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* Caller must toml_free(the-return-value) after use.
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*/
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TOML_EXTERN toml_table_t* toml_parse(char* conf, /* NUL terminated, please. */
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char* errbuf,
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int errbufsz);
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/* Free the table returned by toml_parse() or toml_parse_file(). Once
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* this function is called, any handles accessed through this tab
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* directly or indirectly are no longer valid.
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*/
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TOML_EXTERN void toml_free(toml_table_t* tab);
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/* Timestamp types. The year, month, day, hour, minute, second, z
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* fields may be NULL if they are not relevant. e.g. In a DATE
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* type, the hour, minute, second and z fields will be NULLs.
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*/
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struct toml_timestamp_t {
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struct { /* internal. do not use. */
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int year, month, day;
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int hour, minute, second, millisec;
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char z[10];
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} __buffer;
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int *year, *month, *day;
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int *hour, *minute, *second, *millisec;
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char* z;
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};
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/*-----------------------------------------------------------------
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* Enhanced access methods
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*/
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struct toml_datum_t {
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int ok;
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union {
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toml_timestamp_t* ts; /* ts must be freed after use */
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char* s; /* string value. s must be freed after use */
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int b; /* bool value */
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int64_t i; /* int value */
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double d; /* double value */
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} u;
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};
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/* on arrays: */
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/* ... retrieve size of array. */
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TOML_EXTERN int toml_array_nelem(const toml_array_t* arr);
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/* ... retrieve values using index. */
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TOML_EXTERN toml_datum_t toml_string_at(const toml_array_t* arr, int idx);
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TOML_EXTERN toml_datum_t toml_bool_at(const toml_array_t* arr, int idx);
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TOML_EXTERN toml_datum_t toml_int_at(const toml_array_t* arr, int idx);
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TOML_EXTERN toml_datum_t toml_double_at(const toml_array_t* arr, int idx);
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TOML_EXTERN toml_datum_t toml_timestamp_at(const toml_array_t* arr, int idx);
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/* ... retrieve array or table using index. */
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TOML_EXTERN toml_array_t* toml_array_at(const toml_array_t* arr, int idx);
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TOML_EXTERN toml_table_t* toml_table_at(const toml_array_t* arr, int idx);
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/* on tables: */
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/* ... retrieve the key in table at keyidx. Return 0 if out of range. */
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TOML_EXTERN const char* toml_key_in(const toml_table_t* tab, int keyidx);
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/* ... retrieve values using key. */
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TOML_EXTERN toml_datum_t toml_string_in(const toml_table_t* arr, const char* key);
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TOML_EXTERN toml_datum_t toml_bool_in(const toml_table_t* arr, const char* key);
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TOML_EXTERN toml_datum_t toml_int_in(const toml_table_t* arr, const char* key);
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TOML_EXTERN toml_datum_t toml_double_in(const toml_table_t* arr, const char* key);
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TOML_EXTERN toml_datum_t toml_timestamp_in(const toml_table_t* arr, const char* key);
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/* .. retrieve array or table using key. */
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TOML_EXTERN toml_array_t* toml_array_in(const toml_table_t* tab,
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const char* key);
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TOML_EXTERN toml_table_t* toml_table_in(const toml_table_t* tab,
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const char* key);
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/*-----------------------------------------------------------------
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* lesser used
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*/
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/* Return the array kind: 't'able, 'a'rray, 'v'alue, 'm'ixed */
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TOML_EXTERN char toml_array_kind(const toml_array_t* arr);
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/* For array kind 'v'alue, return the type of values
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i:int, d:double, b:bool, s:string, t:time, D:date, T:timestamp, 'm'ixed
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0 if unknown
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*/
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TOML_EXTERN char toml_array_type(const toml_array_t* arr);
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/* Return the key of an array */
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TOML_EXTERN const char* toml_array_key(const toml_array_t* arr);
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/* Return the number of key-values in a table */
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TOML_EXTERN int toml_table_nkval(const toml_table_t* tab);
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/* Return the number of arrays in a table */
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TOML_EXTERN int toml_table_narr(const toml_table_t* tab);
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/* Return the number of sub-tables in a table */
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TOML_EXTERN int toml_table_ntab(const toml_table_t* tab);
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/* Return the key of a table*/
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TOML_EXTERN const char* toml_table_key(const toml_table_t* tab);
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/*--------------------------------------------------------------
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* misc
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*/
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TOML_EXTERN int toml_utf8_to_ucs(const char* orig, int len, int64_t* ret);
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TOML_EXTERN int toml_ucs_to_utf8(int64_t code, char buf[6]);
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TOML_EXTERN void toml_set_memutil(void* (*xxmalloc)(size_t),
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void (*xxfree)(void*));
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/*--------------------------------------------------------------
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* deprecated
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*/
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/* A raw value, must be processed by toml_rto* before using. */
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typedef const char* toml_raw_t;
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TOML_EXTERN toml_raw_t toml_raw_in(const toml_table_t* tab, const char* key);
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TOML_EXTERN toml_raw_t toml_raw_at(const toml_array_t* arr, int idx);
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TOML_EXTERN int toml_rtos(toml_raw_t s, char** ret);
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TOML_EXTERN int toml_rtob(toml_raw_t s, int* ret);
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TOML_EXTERN int toml_rtoi(toml_raw_t s, int64_t* ret);
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TOML_EXTERN int toml_rtod(toml_raw_t s, double* ret);
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TOML_EXTERN int toml_rtod_ex(toml_raw_t s, double* ret, char* buf, int buflen);
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TOML_EXTERN int toml_rtots(toml_raw_t s, toml_timestamp_t* ret);
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#endif /* TOML_H */
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