/*
 * This code is part of the programming language Ivy.
 * Ivy comes with ABSOLUTELY NO WARRANTY and is licensed under AGPL-3.0 or later.
 *    Copyright (C) 2024  VegOwOtenks
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
#ifndef STRINGVIEW_H_
#define STRINGVIEW_H_

#include <stdbool.h>
#include <stddef.h>

// Generally, StringViews are not owned

typedef struct StringView_s {
    const char *source;
    size_t length;
} StringView;

#define STRINGVIEW_NONE ((StringView) {.source = NULL, .length = 0})

StringView StringView_FromString(const char* source);
StringView StringView_FromStringSized(const char* source, size_t length);

bool StringView_Equal(StringView first, StringView second);
bool StringView_StartsWith(StringView string, StringView start);
bool StringView_EndsWith(StringView string, StringView end);
bool StringView_Contains(StringView string, StringView find);

size_t StringView_Count(StringView string, StringView find);

size_t StringView_FindStringOffset(StringView haystack, StringView needle);
StringView StringView_FindString(StringView haystack, StringView needle);
StringView StringView_Slice(StringView string, size_t start, size_t end); // start and end are offsets

bool StringView_NextSplit(StringView* dest, StringView* source, StringView delim);

StringView StringView_StripLeft(StringView sv, StringView strip);
StringView StringView_StripRight(StringView sv, StringView strip);

void StringView_Paste(char* destination, StringView source);

int StringView_ParseInt(StringView source);

#endif /* SRC_STRINGVIEW_STRINGVIEW_H_ */