/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "toml_internal.h"

static bool is_value_end(cstr expected_value_end, cstr input_end){
    if(expected_value_end == input_end)
        return true;
    
    char next_ch = *expected_value_end;
    return isspace(next_ch) || next_ch == ',' || next_ch == ']' || next_ch == '}';
}

Result(void) toml_parse_bool(TomlParser* self, TomlValue* out_value)
{
    Deferral(1);

    cstr val_end = self->ptr + 4;
    if(val_end <= self->end && strncmp(self->ptr, "true", 4) == 0) 
    {
        if(is_value_end(val_end, self->end))
        {
            toml_next_n(self, 4);
            *out_value = TomlValue_new_bool(true);
            Return RESULT_VOID;
        }
    }

    val_end = self->ptr + 5;
    if(val_end <= self->end && strncmp(self->ptr, "false", 5) == 0) 
    {
        if(is_value_end(val_end, self->end))
        {
            toml_next_n(self, 5);
            *out_value = TomlValue_new_bool(false);
            Return RESULT_VOID;
        }
    }

    Return RESULT_ERROR_CODE_FMT(TLIBTOML, TLIBTOML_ERR_SYNTAX, 
        "%s:%d:%d: value of unknown type",
        self->filename, self->lineno, self->colno);
}