290 lines
9.1 KiB
C++
290 lines
9.1 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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//
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// Copyright 2006 - 2021, Tomas Babej, Paul Beckingham, Federico Hernandez.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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//
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// https://www.opensource.org/licenses/mit-license.php
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//
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////////////////////////////////////////////////////////////////////////////////
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#include <cmake.h>
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// cmake.h include header must come first
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#include <format.h>
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#include <shared.h>
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// If <iostream> is included, put it after <stdio.h>, because it includes
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// <stdio.h>, and therefore would ignore the _WITH_GETLINE.
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#ifdef FREEBSD
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#define _WITH_GETLINE
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#endif
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#include <Lexer.h>
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#include <main.h>
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#include <pwd.h>
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#include <signal.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/select.h>
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#include <sys/time.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <unicode.h>
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#include <unistd.h>
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#include <utf8.h>
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#include <util.h>
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#include <algorithm>
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#include <cstring>
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#include <fstream>
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#include <iostream>
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#include <sstream>
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#include <string>
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#include <vector>
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#define STRING_UTIL_CONFIRM_YES "yes"
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#define STRING_UTIL_CONFIRM_YES_U "Yes"
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#define STRING_UTIL_CONFIRM_NO "no"
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#define STRING_UTIL_CONFIRM_ALL "all"
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#define STRING_UTIL_CONFIRM_ALL_U "All"
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#define STRING_UTIL_CONFIRM_QUIT "quit"
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static const char* newline = "\n";
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static const char* noline = "";
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////////////////////////////////////////////////////////////////////////////////
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static void signal_handler(int s) {
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if (s == SIGINT) {
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std::cout << "\n\nInterrupted: No changes made.\n";
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exit(1);
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}
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}
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////////////////////////////////////////////////////////////////////////////////
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// 0 = no
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// 1 = yes
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// 2 = all
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// 3 = quit
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int confirm4(const std::string& question) {
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std::vector<std::string> options{STRING_UTIL_CONFIRM_YES_U, STRING_UTIL_CONFIRM_YES,
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STRING_UTIL_CONFIRM_NO, STRING_UTIL_CONFIRM_ALL_U,
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STRING_UTIL_CONFIRM_ALL, STRING_UTIL_CONFIRM_QUIT};
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std::vector<std::string> matches;
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signal(SIGINT, signal_handler);
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do {
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std::cout << question << " (" << options[1] << '/' << options[2] << '/' << options[4] << '/'
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<< options[5] << ") ";
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std::string answer{""};
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std::getline(std::cin, answer);
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Context::getContext().debug("STDIN '" + answer + '\'');
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answer = std::cin.eof() ? STRING_UTIL_CONFIRM_QUIT : Lexer::lowerCase(Lexer::trim(answer));
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autoComplete(answer, options, matches, 1); // Hard-coded 1.
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} while (!std::cin.eof() && matches.size() != 1);
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signal(SIGINT, SIG_DFL);
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if (matches.size() == 1) {
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if (matches[0] == STRING_UTIL_CONFIRM_YES_U)
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return 1;
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else if (matches[0] == STRING_UTIL_CONFIRM_YES)
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return 1;
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else if (matches[0] == STRING_UTIL_CONFIRM_ALL_U)
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return 2;
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else if (matches[0] == STRING_UTIL_CONFIRM_ALL)
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return 2;
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else if (matches[0] == STRING_UTIL_CONFIRM_QUIT)
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return 3;
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}
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return 0;
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}
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// Handle the generation of UUIDs on FreeBSD in a separate implementation
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// of the uuid () function, since the API is quite different from Linux's.
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// Also, uuid_unparse_lower is not needed on FreeBSD, because the string
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// representation is always lowercase anyway.
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// For the implementation details, refer to
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// https://svnweb.freebsd.org/base/head/sys/kern/kern_uuid.c
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#if defined(FREEBSD) || defined(OPENBSD)
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const std::string uuid() {
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uuid_t id;
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uint32_t status;
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char* buffer(0);
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uuid_create(&id, &status);
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uuid_to_string(&id, &buffer, &status);
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std::string res(buffer);
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free(buffer);
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return res;
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}
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#else
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////////////////////////////////////////////////////////////////////////////////
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#ifndef HAVE_UUID_UNPARSE_LOWER
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// Older versions of libuuid don't have uuid_unparse_lower(), only uuid_unparse()
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void uuid_unparse_lower(uuid_t uu, char* out) {
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uuid_unparse(uu, out);
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// Characters in out are either 0-9, a-z, '-', or A-Z. A-Z is mapped to
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// a-z by bitwise or with 0x20, and the others already have this bit set
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for (size_t i = 0; i < 36; ++i) out[i] |= 0x20;
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}
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#endif
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const std::string uuid() {
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uuid_t id;
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uuid_generate(id);
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char buffer[100]{};
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uuid_unparse_lower(id, buffer);
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// Bug found by Steven de Brouwer.
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buffer[36] = '\0';
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return std::string(buffer);
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}
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#endif
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// Collides with std::numeric_limits methods
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#undef max
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////////////////////////////////////////////////////////////////////////////////
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// Accept a list of projects, and return an indented list that reflects the
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// hierarchy.
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//
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// Input - "one"
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// "one.two"
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// "one.two.three"
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// "one.four"
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// "two"
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// Output - "one"
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// " one.two"
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// " one.two.three"
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// " one.four"
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// "two"
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//
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// There are two optional arguments, 'whitespace', and 'delimiter',
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//
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// - whitespace is the string used to build the prefixes of indented items.
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// - defaults to two spaces, " "
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// - delimiter is the character used to split up projects into subprojects.
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// - defaults to the period, '.'
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//
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const std::string indentProject(const std::string& project,
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const std::string& whitespace /* = " " */,
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char delimiter /* = '.' */) {
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// Count the delimiters in *i.
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std::string prefix = "";
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std::string::size_type pos = 0;
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std::string::size_type lastpos = 0;
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while ((pos = project.find(delimiter, pos + 1)) != std::string::npos) {
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if (pos != project.size() - 1) {
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prefix += whitespace;
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lastpos = pos;
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}
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}
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std::string child = "";
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if (lastpos == 0)
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child = project;
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else
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child = project.substr(lastpos + 1);
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return prefix + child;
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}
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////////////////////////////////////////////////////////////////////////////////
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const std::vector<std::string> extractParents(const std::string& project,
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const char& delimiter /* = '.' */) {
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std::vector<std::string> vec;
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std::string::size_type pos = 0;
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std::string::size_type copyUntil = 0;
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while ((copyUntil = project.find(delimiter, pos + 1)) != std::string::npos) {
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if (copyUntil != project.size() - 1) vec.push_back(project.substr(0, copyUntil));
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pos = copyUntil;
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}
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return vec;
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}
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////////////////////////////////////////////////////////////////////////////////
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#ifndef HAVE_TIMEGM
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time_t timegm(struct tm* tm) {
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time_t ret;
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char* tz;
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tz = getenv("TZ");
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setenv("TZ", "UTC", 1);
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tzset();
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ret = mktime(tm);
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if (tz)
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setenv("TZ", tz, 1);
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else
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unsetenv("TZ");
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tzset();
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return ret;
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}
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#endif
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////////////////////////////////////////////////////////////////////////////////
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bool nontrivial(const std::string& input) {
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std::string::size_type i = 0;
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int character;
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while ((character = utf8_next_char(input, i)))
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if (!unicodeWhitespace(character)) return true;
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return false;
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}
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////////////////////////////////////////////////////////////////////////////////
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const char* optionalBlankLine() {
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return Context::getContext().verbose("blank") ? newline : noline;
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}
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////////////////////////////////////////////////////////////////////////////////
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void setHeaderUnderline(Table& table) {
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// If an alternating row color is specified, notify the table.
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if (Context::getContext().color()) {
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Color alternate(Context::getContext().config.get("color.alternate"));
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table.colorOdd(alternate);
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table.intraColorOdd(alternate);
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if (Context::getContext().config.getBoolean("fontunderline")) {
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table.colorHeader(Color("underline " + Context::getContext().config.get("color.label")));
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} else {
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table.colorHeader(Color(Context::getContext().config.get("color.label")));
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table.underlineHeaders();
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}
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} else {
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if (Context::getContext().config.getBoolean("fontunderline"))
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table.colorHeader(Color("underline"));
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else
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table.underlineHeaders();
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}
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}
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////////////////////////////////////////////////////////////////////////////////
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// Perform strtol on a string and check if the extracted value matches.
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//
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bool extractLongInteger(const std::string& input, long& output) {
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output = strtol(input.c_str(), nullptr, 10);
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return (format("{1}", output) == input);
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}
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