diff options
Diffstat (limited to 'Build/source/texk/lcdf-typetools/lcdf-typetools-2.103/otftotfm/util.cc')
-rw-r--r-- | Build/source/texk/lcdf-typetools/lcdf-typetools-2.103/otftotfm/util.cc | 286 |
1 files changed, 286 insertions, 0 deletions
diff --git a/Build/source/texk/lcdf-typetools/lcdf-typetools-2.103/otftotfm/util.cc b/Build/source/texk/lcdf-typetools/lcdf-typetools-2.103/otftotfm/util.cc new file mode 100644 index 00000000000..b50ff9566d3 --- /dev/null +++ b/Build/source/texk/lcdf-typetools/lcdf-typetools-2.103/otftotfm/util.cc @@ -0,0 +1,286 @@ +/* util.{cc,hh} -- various bits + * + * Copyright (c) 2003-2012 Eddie Kohler + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. This program is distributed in the hope that it will be + * useful, but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General + * Public License for more details. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif +#include "util.hh" +#include <lcdf/error.hh> +#include <lcdf/straccum.hh> +#include <lcdf/vector.hh> +#include <ctype.h> +#include <stdio.h> +#include <errno.h> +#include <stdlib.h> +#ifdef HAVE_FCNTL_H +# include <fcntl.h> +#endif +#if defined(_MSDOS) || defined(_WIN32) +# include <io.h> +#endif +#ifdef HAVE_UNISTD_H +# include <unistd.h> +#endif + +String +read_file(String filename, ErrorHandler *errh, bool warning) +{ + FILE *f; + if (!filename || filename == "-") { + filename = "<stdin>"; + f = stdin; +#if defined(_MSDOS) || defined(_WIN32) + // Set the file mode to binary + _setmode(_fileno(f), _O_BINARY); +#endif + } else if (!(f = fopen(filename.c_str(), "rb"))) { + errh->xmessage((warning ? errh->e_warning : errh->e_error) + ErrorHandler::make_landmark_anno(filename), strerror(errno)); + return String(); + } + + StringAccum sa; + int amt; + do { + if (char *x = sa.reserve(8192)) { + amt = fread(x, 1, 8192, f); + sa.adjust_length(amt); + } else + amt = 0; + } while (amt != 0); + if (!feof(f) || ferror(f)) + errh->xmessage((warning ? errh->e_warning : errh->e_error) + ErrorHandler::make_landmark_anno(filename), strerror(errno)); + if (f != stdin) + fclose(f); + return sa.take_string(); +} + +String +printable_filename(const String &s) +{ + if (!s || s == "-") + return String::make_stable("<stdin>"); + else + return s; +} + +String +pathname_filename(const String &path) +{ + int slash = path.find_right('/'); + if (slash >= 0 && slash != path.length() - 1) + return path.substring(slash + 1); + else + return path; +} + +static String +simplify_filename(String x) +{ + while (x.substring(0, 2) == "./") + x = x.substring(2); + int pos; + while ((pos = x.find_left("/./")) >= 0) + x = x.substring(0, pos) + x.substring(pos + 2); + return x; +} + +bool +same_filename(const String &a, const String &b) +{ + return simplify_filename(a) == simplify_filename(b); +} + +String +shell_quote(const String &str) +{ + if (!str) + return String::make_stable("\"\""); + + const char *begin = str.begin(); + const char *end = str.end(); + StringAccum sa; + +#if defined(_MSDOS) || defined(_WIN32) + sa.append('\"'); + + for (const char *s = begin; s < end; ++s) + if (isalnum((unsigned char) *s) || *s == '_' || *s == '-' || *s == '+' || *s == '\\' || *s == ':' || *s == '.') + /* do nothing */; + else if (*s == '\"') { + sa.append(begin, s); + sa.append("\"\"\"", 3); + begin = s + 1; + } else { + sa.append(begin, s + 1); + begin = s + 1; + } + + if (sa.length() > 1) { + sa.append(begin, end); + sa.append('\"'); + return sa.take_string(); + } +#else + for (const char *s = begin; s < end; s++) + if (isalnum((unsigned char) *s) || *s == '_' || *s == '-' || *s == '+' || *s == '/' || *s == ':' || *s == '.') + /* do nothing */; + else { + sa.append(begin, s); + sa.append('\\'); + begin = s; + } + + if (sa.length()) { + sa.append(begin, end); + return sa.take_string(); + } +#endif + + return str; +} + +int +mysystem(const char *command, ErrorHandler *errh) +{ + if (no_create) { + errh->message("would run %s", command); + return 0; + } else { + if (verbose) + errh->message("running %s", command); + return system(command); + } +} + +#if !HAVE_MKSTEMP +static const char * +my_tmpnam() +{ +# ifndef WIN32 + return tmpnam(0); +# else + const char *dir = getenv("TEMP"); + return _tempnam(dir ? dir : ".", "otftmp."); +# endif +} +#endif + +int +temporary_file(String &filename, ErrorHandler *errh) +{ + if (no_create) + return 0; // random number suffices + +#if HAVE_MKSTEMP + const char *tmpdir = getenv("TMPDIR"); + if (tmpdir) + filename = String(tmpdir) + "/otftotfm.XXXXXX"; + else { +# ifdef P_tmpdir + filename = P_tmpdir "/otftotfm.XXXXXX"; +# else + filename = "/tmp/otftotfm.XXXXXX"; +# endif + } + int fd = mkstemp(filename.mutable_c_str()); + if (fd < 0) + errh->error("temporary file %<%s%>: %s", filename.c_str(), strerror(errno)); + return fd; +#else // !HAVE_MKSTEMP + for (int tries = 0; tries < 5; tries++) { + if (!(filename = my_tmpnam())) + return errh->error("cannot create temporary file"); +# ifdef O_EXCL + int fd = ::open(filename.c_str(), O_RDWR | O_CREAT | O_EXCL | O_TRUNC, 0600); +# else + int fd = ::open(filename.c_str(), O_RDWR | O_CREAT | O_TRUNC, 0600); +# endif + if (fd >= 0) + return fd; + } + return errh->error("temporary file %<%s%>: %s", filename.c_str(), strerror(errno)); +#endif +} + +bool +parse_unicode_number(const char* begin, const char* end, int require_prefix, uint32_t& result) +{ + bool allow_lower = (require_prefix == 1); + if (require_prefix < 0) + /* do not look for prefix */; + else if (begin + 7 == end && begin[0] == 'u' && begin[1] == 'n' && begin[2] == 'i') + begin += 3; + else if (begin + 5 <= end && begin + 7 >= end && begin[0] == 'u') + begin++; + else if (begin + 3 <= end && begin + 8 >= end && begin[0] == 'U' && begin[1] == '+') + begin += 2, allow_lower = true; + else if (require_prefix > 1) + /* some prefix was required */ + return false; + + uint32_t value; + for (value = 0; begin < end; begin++) + if (*begin >= '0' && *begin <= '9') + value = (value << 4) | (*begin - '0'); + else if (*begin >= 'A' && *begin <= 'F') + value = (value << 4) | (*begin - 'A' + 10); + else if (allow_lower && *begin >= 'a' && *begin <= 'f') + value = (value << 4) | (*begin - 'a' + 10); + else + return false; + + if (value > 0 + && (value <= 0xD7FF || (value >= 0xE000 && value <= 0x10FFFF))) { + result = value; + return true; + } else + return false; +} + +#if 0 +String +shell_command_output(String cmdline, const String &input, ErrorHandler *errh, bool strip_newlines) +{ + FILE *f = tmpfile(); + if (!f) + errh->fatal("cannot create temporary file: %s", strerror(errno)); + ignore_result(fwrite(input.data(), 1, input.length(), f)); + fflush(f); + rewind(f); + + String new_cmdline = cmdline + " 0<&" + String(fileno(f)); + FILE *p = popen(new_cmdline.c_str(), "r"); + if (!p) + errh->fatal("%<%s%>: %s", cmdline.c_str(), strerror(errno)); + + StringAccum sa; + int amt; + do { + if (char *x = sa.reserve(2048)) { + amt = fread(x, 1, 2048, p); + sa.adjust_length(amt); + } else + amt = 0; + } while (amt != 0 && sa.length() < 200000); + if (amt != 0) + errh->warning("%<%s%> output too long, truncated", cmdline.c_str()); + else if (!feof(p) || ferror(p)) + errh->error("%<%s%>: %s", cmdline.c_str(), strerror(errno)); + + fclose(f); + pclose(p); + while (strip_newlines && sa && (sa.back() == '\n' || sa.back() == '\r')) + sa.pop_back(); + return sa.take_string(); +} +#endif |