diff options
Diffstat (limited to 'source/blender/io/wavefront_obj/importer/parser_string_utils.cc')
-rw-r--r-- | source/blender/io/wavefront_obj/importer/parser_string_utils.cc | 174 |
1 files changed, 0 insertions, 174 deletions
diff --git a/source/blender/io/wavefront_obj/importer/parser_string_utils.cc b/source/blender/io/wavefront_obj/importer/parser_string_utils.cc deleted file mode 100644 index 6671a86f5ee..00000000000 --- a/source/blender/io/wavefront_obj/importer/parser_string_utils.cc +++ /dev/null @@ -1,174 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-or-later */ - -#include <fstream> -#include <iostream> -#include <sstream> - -#include "BLI_math_vec_types.hh" -#include "BLI_span.hh" -#include "BLI_string_ref.hh" -#include "BLI_vector.hh" - -#include "parser_string_utils.hh" - -/* Note: these OBJ parser helper functions are planned to get fairly large - * changes "soon", so don't read too much into current implementation... */ - -namespace blender::io::obj { -using std::string; - -void read_next_line(std::fstream &file, string &r_line) -{ - std::string new_line; - while (file.good() && !r_line.empty() && r_line.back() == '\\') { - new_line.clear(); - const bool ok = static_cast<bool>(std::getline(file, new_line)); - /* Remove the last backslash character. */ - r_line.pop_back(); - r_line.append(new_line); - if (!ok || new_line.empty()) { - return; - } - } -} - -void split_line_key_rest(const StringRef line, StringRef &r_line_key, StringRef &r_rest_line) -{ - if (line.is_empty()) { - return; - } - - const int64_t pos_split{line.find_first_of(' ')}; - if (pos_split == StringRef::not_found) { - /* Use the first character if no space is found in the line. It's usually a comment like: - * #This is a comment. */ - r_line_key = line.substr(0, 1); - } - else { - r_line_key = line.substr(0, pos_split); - } - - /* Eat the delimiter also using "+ 1". */ - r_rest_line = line.drop_prefix(r_line_key.size() + 1); - if (r_rest_line.is_empty()) { - return; - } - - /* Remove any leading spaces, trailing spaces & \r character, if any. */ - const int64_t leading_space{r_rest_line.find_first_not_of(' ')}; - if (leading_space != StringRef::not_found) { - r_rest_line = r_rest_line.drop_prefix(leading_space); - } - - /* Another way is to do a test run before the actual parsing to find the newline - * character and use it in the getline. */ - const int64_t carriage_return{r_rest_line.find_first_of('\r')}; - if (carriage_return != StringRef::not_found) { - r_rest_line = r_rest_line.substr(0, carriage_return + 1); - } - - const int64_t trailing_space{r_rest_line.find_last_not_of(' ')}; - if (trailing_space != StringRef::not_found) { - /* The position is of a character that is not ' ', so count of characters is position + 1. */ - r_rest_line = r_rest_line.substr(0, trailing_space + 1); - } -} - -void split_by_char(StringRef in_string, const char delimiter, Vector<StringRef> &r_out_list) -{ - r_out_list.clear(); - - while (!in_string.is_empty()) { - const int64_t pos_delim{in_string.find_first_of(delimiter)}; - const int64_t word_len = pos_delim == StringRef::not_found ? in_string.size() : pos_delim; - - StringRef word{in_string.data(), word_len}; - if (!word.is_empty() && !(word == " " && !(word[0] == '\0'))) { - r_out_list.append(word); - } - if (pos_delim == StringRef::not_found) { - return; - } - /* Skip the word already stored. */ - in_string = in_string.drop_prefix(word_len); - /* Skip all delimiters. */ - const int64_t pos_non_delim = in_string.find_first_not_of(delimiter); - if (pos_non_delim == StringRef::not_found) { - return; - } - in_string = in_string.drop_prefix(std::min(pos_non_delim, in_string.size())); - } -} - -void copy_string_to_float(StringRef src, const float fallback_value, float &r_dst) -{ - try { - r_dst = std::stof(string(src)); - } - catch (const std::invalid_argument &inv_arg) { - std::cerr << "Bad conversion to float:'" << inv_arg.what() << "':'" << src << "'" << std::endl; - r_dst = fallback_value; - } - catch (const std::out_of_range &out_of_range) { - std::cerr << "Out of range for float:'" << out_of_range.what() << ":'" << src << "'" - << std::endl; - r_dst = fallback_value; - } -} - -void copy_string_to_float(Span<StringRef> src, - const float fallback_value, - MutableSpan<float> r_dst) -{ - for (int i = 0; i < r_dst.size(); ++i) { - if (i < src.size()) { - copy_string_to_float(src[i], fallback_value, r_dst[i]); - } - else { - r_dst[i] = fallback_value; - } - } -} - -void copy_string_to_int(StringRef src, const int fallback_value, int &r_dst) -{ - try { - r_dst = std::stoi(string(src)); - } - catch (const std::invalid_argument &inv_arg) { - std::cerr << "Bad conversion to int:'" << inv_arg.what() << "':'" << src << "'" << std::endl; - r_dst = fallback_value; - } - catch (const std::out_of_range &out_of_range) { - std::cerr << "Out of range for int:'" << out_of_range.what() << ":'" << src << "'" - << std::endl; - r_dst = fallback_value; - } -} - -void copy_string_to_int(Span<StringRef> src, const int fallback_value, MutableSpan<int> r_dst) -{ - for (int i = 0; i < r_dst.size(); ++i) { - if (i < src.size()) { - copy_string_to_int(src[i], fallback_value, r_dst[i]); - } - else { - r_dst[i] = fallback_value; - } - } -} - -std::string replace_all_occurences(StringRef original, StringRef to_remove, StringRef to_add) -{ - std::string clean{original}; - while (true) { - const std::string::size_type pos = clean.find(to_remove); - if (pos == std::string::npos) { - break; - } - clean.replace(pos, to_add.size(), to_add); - } - return clean; -} - -} // namespace blender::io::obj |