189 lines
6.1 KiB
C
189 lines
6.1 KiB
C
#if !defined(DN_INI_H)
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#define DN_INI_H
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#include <stdint.h> // size_t
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#if !defined(DN_INI_Assert)
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#include <assert.h>
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#define DN_INI_Assert(expr) assert(expr)
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#endif
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#include <stdarg.h>
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#if !defined(DN_INI_VSNPrintF)
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#include <stdio.h>
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#define DN_INI_VSNPrintF(buffer, size, fmt, args) vsnprintf(buffer, size, fmt, args)
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#endif
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#if !defined(DN_INI_Memset) || !defined(DN_INI_Memcmp) || !defined(DN_INI_Memcpy)
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#include <string.h>
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#if !defined(DN_INI_Memset)
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#define DN_INI_Memset(ptr, val, size) memset(ptr, val, size)
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#endif
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#if !defined(DN_INI_Memcmp)
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#define DN_INI_Memcmp(dest, src, size) memcmp(dest, src, size)
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#endif
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#if !defined(DN_INI_Memcpy)
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#define DN_INI_Memcpy(dest, src, size) memcpy(dest, src, size)
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#endif
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#endif
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typedef enum DN_INITokenType {
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DN_INITokenType_Nil,
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DN_INITokenType_Section,
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DN_INITokenType_Key,
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DN_INITokenType_FieldSeparator,
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DN_INITokenType_MultilineValue,
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DN_INITokenType_Value,
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DN_INITokenType_Comment,
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DN_INITokenType_EndOfStream,
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DN_INITokenType_Error,
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} DN_INITokenType;
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typedef struct DN_INIStr8 {
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char *data;
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size_t size;
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} DN_INIStr8;
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#if defined(__cplusplus)
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#define DN_INIStr8Lit(str) DN_INIStr8{(char *)str, sizeof(str)/sizeof(str[0]) - 1}
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#else
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#define DN_INIStr8Lit(str) (DN_INIStr8){(char *)str, sizeof(str)/sizeof(str[0]) - 1}
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#endif
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typedef struct DN_INIToken {
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char *data;
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DN_INITokenType type;
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size_t count;
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size_t next_p;
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bool line_start_new_line;
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// NOTE: Line metadata
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DN_INIStr8 error;
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size_t line;
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size_t column;
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char * line_start;
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} DN_INIToken;
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typedef struct DN_INITokeniser {
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char *data;
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char *line_start;
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size_t count;
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size_t pos;
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DN_INIToken prev_token;
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size_t line;
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size_t column;
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} DN_INITokeniser;
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typedef enum DN_INIFieldType {
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DN_INIFieldType_String,
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DN_INIFieldType_Bool,
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DN_INIFieldType_USize,
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} DN_INIFieldType;
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typedef struct DN_INIField DN_INIField;
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struct DN_INIField {
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DN_INIStr8 key;
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DN_INIFieldType value_type;
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DN_INIStr8 value;
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bool value_bool;
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size_t value_usize;
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DN_INIField *next;
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};
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typedef struct DN_INISection DN_INISection;
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struct DN_INISection {
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DN_INIStr8 name;
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DN_INIField *first_field;
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DN_INIField *last_field;
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size_t fields_count;
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DN_INIToken token;
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DN_INISection *next, *parent;
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DN_INISection *child_first, *child_last;
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size_t child_count;
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};
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typedef struct DN_INICore DN_INICore;
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struct DN_INICore {
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DN_INISection first_section;
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size_t total_sections_count;
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size_t total_fields_count;
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DN_INIToken error_token;
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size_t memory_required;
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};
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typedef struct DN_INIArena DN_INIArena;
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struct DN_INIArena {
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char *base;
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size_t used, max;
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};
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typedef struct DN_INIStr8FromResult DN_INIStr8FromResult;
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struct DN_INIStr8FromResult {
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bool success;
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DN_INIStr8 str8;
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size_t size_req;
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};
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typedef struct DN_INIFieldUSize DN_INIFieldUSize;
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struct DN_INIFieldUSize
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{
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bool success;
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DN_INIField *field;
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size_t value;
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};
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typedef struct DN_INIFieldStr8 DN_INIFieldStr8;
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struct DN_INIFieldStr8
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{
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bool success;
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DN_INIField *field;
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DN_INIStr8 value;
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};
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typedef struct DN_INIFieldBool DN_INIFieldBool;
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struct DN_INIFieldBool
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{
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bool success;
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DN_INIField *field;
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bool value;
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};
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// NOTE: Utilities
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int DN_INI_SNPrintF_ (char const *buffer, size_t size, char const *fmt, ...);
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void * DN_INI_ArenaAlloc (DN_INIArena *arena, size_t size);
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DN_INIStr8 DN_INI_Str8FromPtr (char const *data, size_t count);
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// NOTE: Tokeniser/Parsing
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DN_INITokeniser DN_INI_TokeniserFromPtr (char const *buf, size_t count);
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DN_INIToken DN_INI_NextToken (DN_INITokeniser const *tokeniser);
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void DN_INI_EatToken (DN_INITokeniser *tokeniser, DN_INIToken token);
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// NOTE: Lookup
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DN_INISection * DN_INI_ChildSectionFromStr8 (DN_INISection *section, DN_INIStr8 str8);
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DN_INISection * DN_INI_ChildSectionFromCStr (DN_INISection *section, char const *name, size_t name_size);
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DN_INIField * DN_INI_FieldFromSectionStr8 (DN_INISection *section, DN_INIStr8 str8);
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DN_INIField * DN_INI_FieldFromSection (DN_INISection *section, char const *key, size_t key_size);
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DN_INIFieldUSize DN_INI_FieldUSizeFromSectionStr8(DN_INISection *section, DN_INIStr8 str8);
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DN_INIFieldStr8 DN_INI_FieldStr8FromSectionStr8 (DN_INISection *section, DN_INIStr8 str8);
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DN_INIFieldBool DN_INI_FieldBoolFromSectionStr8 (DN_INISection *section, DN_INIStr8 str8);
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DN_INICore DN_INI_ParseFromPtr (char const *buf, size_t count, char *base, size_t base_count);
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// NOTE: Building
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DN_INISection * DN_INI_AppendSectionF (DN_INICore *ini, DN_INIArena *arena, DN_INISection *section, char const *fmt, ...);
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DN_INIField * DN_INI_AppendKeyBool (DN_INICore *ini, DN_INIArena *arena, DN_INISection *section, DN_INIStr8 key, bool value);
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DN_INIField * DN_INI_AppendKeyPtrBool (DN_INICore *ini, DN_INIArena *arena, DN_INISection *section, char const *key, size_t key_size, bool value);
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DN_INIField * DN_INI_AppendKeyUSize (DN_INICore *ini, DN_INIArena *arena, DN_INISection *section, DN_INIStr8 key, size_t value);
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DN_INIField * DN_INI_AppendKeyPtrUSize (DN_INICore *ini, DN_INIArena *arena, DN_INISection *section, char const *key, size_t key_size, size_t value);
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DN_INIField * DN_INI_AppendKeyCStr8 (DN_INICore *ini, DN_INIArena *arena, DN_INISection *section, DN_INIStr8 key, char const *value, size_t value_size);
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DN_INIField * DN_INI_AppendKeyF (DN_INICore *ini, DN_INIArena *arena, DN_INISection *section, DN_INIStr8 key, char const *fmt, ...);
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void DN_INI_AppendField (DN_INISection *section, DN_INIField *field);
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#if defined(DN_INI_WITH_UNIT_TESTS)
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void DN_INI_UnitTests ();
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#endif
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#endif // !defined(DN_INI_H)
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