Move tl utils functions to tl_file_utils.
GitOrigin-RevId: 4b061356cc965e972af6d640507076a10743a20a
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ea504ae920
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@ -5,6 +5,7 @@ set(TDTL_SOURCE
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td/tl/tl_config.cpp
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td/tl/tl_core.cpp
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td/tl/tl_file_outputer.cpp
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td/tl/tl_file_utils.cpp
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td/tl/tl_generate.cpp
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td/tl/tl_outputer.cpp
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td/tl/tl_string_outputer.cpp
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@ -13,6 +14,7 @@ set(TDTL_SOURCE
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td/tl/tl_config.h
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td/tl/tl_core.h
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td/tl/tl_file_outputer.h
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td/tl/tl_file_utils.h
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td/tl/tl_generate.h
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td/tl/tl_outputer.h
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td/tl/tl_simple.h
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92
tdtl/td/tl/tl_file_utils.cpp
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92
tdtl/td/tl/tl_file_utils.cpp
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@ -0,0 +1,92 @@
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//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2018
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#include "tl_file_utils.h"
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#include <cstdio>
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#include <cstdlib>
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#include <cstring>
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namespace td {
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namespace tl {
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std::string get_file_contents(const std::string &file_name, const std::string &mode) {
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FILE *f = std::fopen(file_name.c_str(), mode.c_str());
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if (f == NULL) {
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return std::string();
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}
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int fseek_res = std::fseek(f, 0, SEEK_END);
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if (fseek_res != 0) {
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std::fprintf(stderr, "Can't seek to the end of the file \"%s\"", file_name.c_str());
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std::abort();
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}
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long size_long = std::ftell(f);
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if (size_long < 0 || size_long >= (1 << 25)) {
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std::fprintf(stderr, "Wrong file \"%s\" has wrong size = %ld", file_name.c_str(), size_long);
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std::abort();
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}
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std::size_t size = static_cast<std::size_t>(size_long);
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std::string result(size, ' ');
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std::rewind(f);
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std::size_t fread_res = std::fread(&result[0], size, 1, f);
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if (size != 0 && fread_res != 1) {
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std::fprintf(stderr, "Can't read file \"%s\"", file_name.c_str());
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std::abort();
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}
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std::fclose(f);
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return result;
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}
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bool put_file_contents(const std::string &file_name, const std::string &mode, const std::string &contents) {
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FILE *f = std::fopen(file_name.c_str(), mode.c_str());
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if (f == NULL) {
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std::fprintf(stderr, "Can't open file \"%s\"\n", file_name.c_str());
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return false;
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}
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std::size_t fwrite_res = std::fwrite(contents.c_str(), contents.size(), 1, f);
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if (fwrite_res != 1) {
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std::fclose(f);
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return false;
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}
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if (std::fclose(f) != 0) {
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return false;
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}
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return true;
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}
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std::string remove_documentation(const std::string &str) {
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std::size_t line_begin = 0;
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std::string result;
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bool inside_documentation = false;
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while (line_begin < str.size()) {
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std::size_t line_end = str.find('\n', line_begin);
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if (line_end == std::string::npos) {
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line_end = str.size() - 1;
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}
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std::string line = str.substr(line_begin, line_end - line_begin + 1);
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line_begin = line_end + 1;
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std::size_t pos = line.find_first_not_of(' ');
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if (pos != std::string::npos && ((line[pos] == '/' && line[pos + 1] == '/' && line[pos + 2] == '/') ||
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(line[pos] == '/' && line[pos + 1] == '*' && line[pos + 2] == '*') ||
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(inside_documentation && line[pos] == '*'))) {
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inside_documentation = !(line[pos] == '/' && line[pos + 1] == '/' && line[pos + 2] == '/') &&
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!(line[pos] == '*' && line[pos + 1] == '/');
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continue;
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}
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inside_documentation = false;
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result += line;
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}
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return result;
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}
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} // namespace tl
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} // namespace td
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21
tdtl/td/tl/tl_file_utils.h
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21
tdtl/td/tl/tl_file_utils.h
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@ -0,0 +1,21 @@
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//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2018
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#pragma once
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#include <string>
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namespace td {
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namespace tl {
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std::string get_file_contents(const std::string &file_name, const std::string &mode);
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bool put_file_contents(const std::string &file_name, const std::string &mode, const std::string &contents);
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std::string remove_documentation(const std::string &str);
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} // namespace tl
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} // namespace td
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@ -8,6 +8,7 @@
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#include "tl_config.h"
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#include "tl_core.h"
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#include "tl_file_utils.h"
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#include "tl_outputer.h"
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#include "tl_string_outputer.h"
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#include "tl_writer.h"
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@ -805,81 +806,6 @@ void write_tl(const tl_config &config, tl_outputer &out, const TL_writer &w) {
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}
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}
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static std::string get_file_contents(const std::string &file_name, const std::string &mode) {
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FILE *f = std::fopen(file_name.c_str(), mode.c_str());
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if (f == NULL) {
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return std::string();
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}
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int fseek_res = std::fseek(f, 0, SEEK_END);
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if (fseek_res != 0) {
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std::fprintf(stderr, "Can't seek to the end of the file \"%s\"", file_name.c_str());
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std::abort();
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}
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long size_long = std::ftell(f);
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if (size_long < 0 || size_long >= (1 << 25)) {
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std::fprintf(stderr, "Wrong file \"%s\" has wrong size = %ld", file_name.c_str(), size_long);
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std::abort();
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}
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std::size_t size = static_cast<std::size_t>(size_long);
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std::string result(size, ' ');
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std::rewind(f);
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std::size_t fread_res = std::fread(&result[0], size, 1, f);
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if (size != 0 && fread_res != 1) {
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std::fprintf(stderr, "Can't read file \"%s\"", file_name.c_str());
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std::abort();
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}
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std::fclose(f);
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return result;
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}
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static bool put_file_contents(const std::string &file_name, const std::string &mode, const std::string &contents) {
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FILE *f = std::fopen(file_name.c_str(), mode.c_str());
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if (f == NULL) {
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std::fprintf(stderr, "Can't open file \"%s\"\n", file_name.c_str());
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return false;
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}
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std::size_t fwrite_res = std::fwrite(contents.c_str(), contents.size(), 1, f);
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if (fwrite_res != 1) {
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std::fclose(f);
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return false;
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}
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if (std::fclose(f) != 0) {
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return false;
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}
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return true;
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}
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static std::string remove_documentation(const std::string &str) {
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std::size_t line_begin = 0;
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std::string result;
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bool inside_documentation = false;
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while (line_begin < str.size()) {
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std::size_t line_end = str.find('\n', line_begin);
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if (line_end == std::string::npos) {
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line_end = str.size() - 1;
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}
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std::string line = str.substr(line_begin, line_end - line_begin + 1);
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line_begin = line_end + 1;
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std::size_t pos = line.find_first_not_of(' ');
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if (pos != std::string::npos && ((line[pos] == '/' && line[pos + 1] == '/' && line[pos + 2] == '/') ||
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(line[pos] == '/' && line[pos + 1] == '*' && line[pos + 2] == '*') ||
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(inside_documentation && line[pos] == '*'))) {
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inside_documentation = !(line[pos] == '/' && line[pos + 1] == '/' && line[pos + 2] == '/') &&
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!(line[pos] == '*' && line[pos + 1] == '/');
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continue;
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}
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inside_documentation = false;
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result += line;
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}
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return result;
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}
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tl_config read_tl_config_from_file(const std::string &file_name) {
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std::string config = get_file_contents(file_name, "rb");
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if (config.empty()) {
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