208 lines
4.3 KiB
C++
208 lines
4.3 KiB
C++
/*
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* Copyright 2002-2007, Haiku, Inc. All rights reserved.
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* Distributed under the terms of the MIT License.
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*
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* Authors:
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* Ryan Fleet
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* Vasilis Kaoutsis
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*/
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#include <Application.h>
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#include <AppFileInfo.h>
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#include <stdio.h>
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#include <string.h>
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void
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usage()
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{
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printf("usage: version [OPTION] FILENAME [FILENAME2, ...]\n"
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"Returns the version of a file.\n\n"
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" -h, --help this usage message\n"
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" -l, --long print long version information of FILENAME\n"
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" -n, --numerical print in numerical mode\n"
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" (Major miDdle miNor Variety Internal)\n"
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" -s, --system print system version instead of app version\n"
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" --version print version information for this command\n");
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}
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status_t
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get_version(const char *filename, version_kind kind, bool longFlag, bool numericalFlag)
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{
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BFile file(filename, O_RDONLY);
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if (file.InitCheck() != B_OK) {
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printf("Couldn't get file info!\n");
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return B_FILE_ERROR;
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}
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BAppFileInfo info(&file);
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if (info.InitCheck() != B_OK) {
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printf("Couldn't get file info!\n");
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return B_FILE_ERROR;
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}
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version_info version;
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if (info.GetVersionInfo(&version, kind) != B_OK) {
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printf("Version unknown!\n");
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return B_ERROR;
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}
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if (longFlag) {
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printf("%s\n", version.long_info);
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return B_OK;
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}
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if (numericalFlag) {
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printf("%" B_PRIu32 " ", version.major);
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printf("%" B_PRIu32 " ", version.middle);
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printf("%" B_PRIu32 " ", version.minor);
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switch (version.variety) {
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case B_DEVELOPMENT_VERSION:
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printf("d ");
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break;
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case B_ALPHA_VERSION:
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printf("a ");
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break;
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case B_BETA_VERSION:
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printf("b ");
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break;
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case B_GAMMA_VERSION:
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printf("g ");
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break;
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case B_GOLDEN_MASTER_VERSION:
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printf("gm ");
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break;
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case B_FINAL_VERSION:
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printf("f ");
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break;
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}
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printf("%" B_PRIu32 "\n", version.internal);
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return B_OK;
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}
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printf("%s\n", version.short_info);
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return B_OK;
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}
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/*!
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determines whether \a string1 contains at least one or more of the characters
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of \a string2 but none of which \a string2 doesn't contain.
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examples:
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true == ("hel" == "help"); true == ("help" == "help"); true == ("h" == "help");
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false == ("held" == "help"); false == ("helped" == "help");
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*/
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bool
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str_less_equal(const char *str1, const char *str2)
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{
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char *ptr1 = const_cast<char*>(str1);
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char *ptr2 = const_cast<char*>(str2);
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while (*ptr1 != '\0') {
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if (*ptr1 != *ptr2)
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return false;
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++ptr1;
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++ptr2;
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}
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return true;
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}
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int
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main(int argc, char *argv[])
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{
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BApplication app("application/x.vnd.Haiku-version");
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version_kind kind = B_APP_VERSION_KIND;
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bool longFlag = false;
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bool numericalFlag = false;
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int i;
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if (argc < 2) {
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usage();
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return 0;
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}
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for (i = 1; i < argc; ++i) {
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if (argv[i][0] == '-') {
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char *ptr = argv[i];
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++ptr;
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if (*ptr == '-') {
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bool lessEqual = false;
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++ptr;
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if (*ptr == 'h') {
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lessEqual = str_less_equal(ptr, "help");
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if (lessEqual) {
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usage();
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return 0;
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}
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} else if (*ptr == 'l') {
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lessEqual = str_less_equal(ptr, "long");
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if (lessEqual)
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longFlag = true;
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} else if (*ptr == 'n') {
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lessEqual = str_less_equal(ptr, "numerical");
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if (lessEqual)
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numericalFlag = true;
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} else if (*ptr == 's') {
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lessEqual = str_less_equal(ptr, "system");
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if (lessEqual)
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kind = B_SYSTEM_VERSION_KIND;
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} else if (*ptr == 'v') {
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lessEqual = str_less_equal(ptr, "version");
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if (lessEqual) {
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get_version(argv[0], B_APP_VERSION_KIND, false, false);
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return 0;
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}
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}
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if (!lessEqual)
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printf("%s unrecognized option `%s'\n", argv[0], argv[i]);
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} else {
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while (*ptr != '\0') {
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if (*ptr == 'h') {
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usage();
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return 0;
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} else if (*ptr == 's')
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kind = B_SYSTEM_VERSION_KIND;
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else if (*ptr == 'l')
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longFlag = true;
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else if (*ptr == 'n')
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numericalFlag = true;
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else {
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printf("%s: invalid option -- %c\n", argv[0], *ptr);
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return 1;
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}
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if (argc < 3) {
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printf("%s: missing FILENAME(S) \n", argv[0]);
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return 1;
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}
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++ptr;
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}
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}
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}
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}
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for (i = 1; i < argc; ++i) {
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if (argv[i][0] != '-'
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&& get_version(argv[i], kind, longFlag, numericalFlag) != B_OK)
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return 1;
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}
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return 0;
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}
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