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/* SPDX-License-Identifier: GPL-2.0-or-later */
namespace blender::io::obj {
/* Note: these OBJ parser helper functions are planned to get fairly large
* changes "soon", so don't read too much into current implementation... */
/**
* Store multiple lines separated by an escaped newline character: `\\n`.
* Use this before doing any parse operations on the read string.
*/
void read_next_line(std::fstream &file, std::string &r_line);
/**
* Split a line string into the first word (key) and the rest of the line.
* Also remove leading & trailing spaces as well as `\r` carriage return
* character if present.
*/
void split_line_key_rest(StringRef line, StringRef &r_line_key, StringRef &r_rest_line);
/**
* Split the given string by the delimiter and fill the given vector.
* If an intermediate string is empty, or space or null character, it is not appended to the
* vector.
*/
void split_by_char(StringRef in_string, const char delimiter, Vector<StringRef> &r_out_list);
/**
* Convert the given string to float and assign it to the destination value.
*
* If the string cannot be converted to a float, the fallback value is used.
*/
void copy_string_to_float(StringRef src, const float fallback_value, float &r_dst);
/**
* Convert all members of the Span of strings to floats and assign them to the float
* array members. Usually used for values like coordinates.
*
* If a string cannot be converted to a float, the fallback value is used.
*/
void copy_string_to_float(Span<StringRef> src,
const float fallback_value,
MutableSpan<float> r_dst);
/**
* Convert the given string to int and assign it to the destination value.
*
* If the string cannot be converted to an integer, the fallback value is used.
*/
void copy_string_to_int(StringRef src, const int fallback_value, int &r_dst);
/**
* Convert the given strings to ints and fill the destination int buffer.
*
* If a string cannot be converted to an integer, the fallback value is used.
*/
void copy_string_to_int(Span<StringRef> src, const int fallback_value, MutableSpan<int> r_dst);
std::string replace_all_occurences(StringRef original, StringRef to_remove, StringRef to_add);
} // namespace blender::io::obj
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