From 8053187731ae8e3eb368d8360989cf5fd6eed9f7 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 05:32:49 +0200 Subject: Adding upstream version 0.17.0. Signed-off-by: Daniel Baumann --- src/common/str-utils.cpp | 217 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 217 insertions(+) create mode 100644 src/common/str-utils.cpp (limited to 'src/common/str-utils.cpp') diff --git a/src/common/str-utils.cpp b/src/common/str-utils.cpp new file mode 100644 index 0000000..245e31e --- /dev/null +++ b/src/common/str-utils.cpp @@ -0,0 +1,217 @@ +/* + * Copyright (c) 2017 [Ribose Inc](https://www.ribose.com). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +/** String utilities + * @file + */ + +#include +#include +#include +#include +#include "str-utils.h" +#ifdef _WIN32 +#include +#include +#endif + +using std::size_t; +using std::strlen; + +namespace rnp { +char * +strip_eol(char *s) +{ + size_t len = strlen(s); + + while ((len > 0) && ((s[len - 1] == '\n') || (s[len - 1] == '\r'))) { + s[--len] = '\0'; + } + + return s; +} + +bool +strip_eol(std::string &s) +{ + size_t len = s.size(); + while (len && ((s[len - 1] == '\n') || (s[len - 1] == '\r'))) { + len--; + } + if (len == s.size()) { + return false; + } + s.resize(len); + return true; +} + +bool +is_blank_line(const char *line, size_t len) +{ + for (size_t i = 0; i < len && line[i]; i++) { + if (line[i] != ' ' && line[i] != '\t' && line[i] != '\r') { + return false; + } + } + return true; +} + +bool +str_case_eq(const char *s1, const char *s2) +{ + while (*s1 && *s2) { + if (std::tolower(*s1) != std::tolower(*s2)) { + return false; + } + s1++; + s2++; + } + return !*s1 && !*s2; +} + +bool +str_case_eq(const std::string &s1, const std::string &s2) +{ + if (s1.size() != s2.size()) { + return false; + } + return str_case_eq(s1.c_str(), s2.c_str()); +} + +static size_t +hex_prefix_len(const std::string &str) +{ + if ((str.length() >= 2) && (str[0] == '0') && ((str[1] == 'x') || (str[1] == 'X'))) { + return 2; + } + return 0; +} + +bool +is_hex(const std::string &s) +{ + for (size_t i = hex_prefix_len(s); i < s.length(); i++) { + auto &ch = s[i]; + if ((ch >= '0') && (ch <= '9')) { + continue; + } + if ((ch >= 'a') && (ch <= 'f')) { + continue; + } + if ((ch >= 'A') && (ch <= 'F')) { + continue; + } + if ((ch == ' ') || (ch == '\t')) { + continue; + } + return false; + } + return true; +} + +std::string +strip_hex(const std::string &s) +{ + std::string res = ""; + for (size_t idx = hex_prefix_len(s); idx < s.length(); idx++) { + auto ch = s[idx]; + if ((ch == ' ') || (ch == '\t')) { + continue; + } + res.push_back(ch); + } + return res; +} + +char * +lowercase(char *s) +{ + if (!s) { + return s; + } + for (char *ptr = s; *ptr; ++ptr) { + *ptr = tolower(*ptr); + } + return s; +} + +bool +str_to_int(const std::string &s, int &val) +{ + for (const char &ch : s) { + if ((ch < '0') || (ch > '9')) { + return false; + } + } + try { + val = std::stoi(s); + } catch (std::out_of_range const &ex) { + return false; + } + return true; +} + +bool +is_slash(char c) +{ + return (c == '/') || (c == '\\'); +} + +} // namespace rnp + +#ifdef _WIN32 +std::wstring +wstr_from_utf8(const char *s) +{ + std::wstring_convert> utf8conv; + return utf8conv.from_bytes(s); +} + +std::wstring +wstr_from_utf8(const char *first, const char *last) +{ + std::wstring_convert> utf8conv; + return utf8conv.from_bytes(first, last); +} + +std::wstring +wstr_from_utf8(const std::string &s) +{ + return wstr_from_utf8(s.c_str()); +} + +std::string +wstr_to_utf8(const wchar_t *ws) +{ + std::wstring_convert> utf8conv; + return utf8conv.to_bytes(ws); +} + +std::string +wstr_to_utf8(const std::wstring &ws) +{ + return wstr_to_utf8(ws.c_str()); +} +#endif -- cgit v1.2.3