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Showing content from http://www.ncbi.nlm.nih.gov/IEB/ToolBox/CPP_DOC/doxyhtml/basic__sample_8cpp_source.html below:

NCBI C++ ToolKit: src/sample/app/basic/basic_sample.cpp Source File

47 virtual void Init

(

void

);

48 virtual int Run

(

void

);

49 virtual void Exit

(

void

);

67

arg_desc->SetUsageContext(

GetArguments

().GetProgramBasename(),

68 "CArgDescriptions demo program"

);

71

arg_desc->AddOptionalPositional

73 "This is an optional named positional argument without default value"

79 "This is a flag argument: TRUE if set, FALSE if not set"

);

81

arg_desc->AddPositional

83 "This is a mandatory plain (named positional) argument"

85

arg_desc->SetConstraint

90

arg_desc->AddDefaultKey

91

(

"kd"

"DefaultKey"

92 "This is an optional integer key argument, with default value"

94

arg_desc->SetConstraint

100 "These are the optional extra (unnamed positional) arguments. " 101 "They will be printed out to the file specified by the " 102 "2nd positional argument,\n\"logfile\""

106

(

"k"

"MandatoryKey"

107 "This is a mandatory alpha-num key argument"

109

arg_desc->SetConstraint

112

arg_desc->AddOptionalKey

113

(

"ko"

"OptionalKey"

114 "This is another optional key argument, without default value"

120 "This is another flag argument: FALSE if set, TRUE if not set"

123

arg_desc->AddDefaultPositional

125 "This is an optional named positional argument with default value"

127

arg_desc->SetConstraint

144

cout <<

string

(72,

'='

) << endl;

153

ostream* x_lg = args[

"logfile"

] ? &args[

"logfile"

].AsOutputFile() : &cout;

156 if

( args[

"logfile"

] )

157

cout <<

"Printing arguments to file `" 158

<< args[

"logfile"

].AsString() <<

"'..."

<< endl;

161 lg

"k: "

<< args[

"k"

].AsString() << endl;

162 lg

"barfooetc: "

<< args[

"barfooetc"

].AsString() << endl;

163 if

( args[

"logfile"

] )

164 lg

"logfile: "

<< args[

"logfile"

].AsString() << endl;

166 if

( args[

"ko"

] ) {

170 if

(!ko_values.empty()) {

172 for

(

const auto

& v: ko_values) {

179 lg

"ko: not provided"

<< endl;

182

(void) args[

"ko"

].AsString();

185

message = e.

what

();

190 if

( args[

"f1"

] ) {

191 _ASSERT

(args[

"f1"

].AsBoolean());

193 if

( args[

"f2"

] ) {

194 _ASSERT

(args[

"f2"

].AsBoolean());

199 for

(

size_t

extra = 1; extra <= args.

GetNExtra

(); extra++) {

200 lg

"#"

<< extra <<

": " 202

" (passed as `"

<< args[extra].AsString() <<

"')" 206 lg

"(no unnamed positional arguments passed in the cmd-line)"

<< endl;

214

cout << args.

(

str

) << endl;

int NcbiSys_main(int argc, ncbi::TXChar *argv[])

virtual int Run(void)

Run the application.

virtual void Init(void)

Initialize the application.

virtual void Exit(void)

Cleanup on application exit.

static const char * str(char *buf, int n)

virtual const CArgs & GetArgs(void) const

Get parsed command line arguments.

int AppMain(int argc, const char *const *argv, const char *const *envp=0, EAppDiagStream diag=eDS_Default, const char *conf=NcbiEmptyCStr, const string &name=NcbiEmptyString)

Main function (entry point) for the NCBI application.

virtual void SetupArgDescriptions(CArgDescriptions *arg_desc)

Setup the command line argument descriptions.

const CNcbiArguments & GetArguments(void) const

Get the application's cached unprocessed command-line arguments.

string & Print(string &str) const

Print (append) all arguments to the string "str" and return "str".

bool Exist(const string &name) const

Check existence of argument description.

vector< string > TStringArray

Some values types can contain several value lists.

size_t GetNExtra(void) const

Get the number of unnamed positional (a.k.a. extra) args.

@ fAllowMultiple

Repeated key arguments are legal (use with AddKey)

@ fBinary

Open as binary file; for eInputFile, eOutputFile, eIOFile.

@ fPreOpen

Open file right away; for eInputFile, eOutputFile, eIOFile.

@ eBoolean

{'true', 't', 'false', 'f'}, case-insensitive

@ eString

An arbitrary string.

@ eOutputFile

Name of file (must be writable)

@ eInteger

Convertible into an integer number (int or Int8)

@ eAlnum

Alphanumeric characters.

@ eConstraint

Constraint is not inverted (taken as is)

#define NCBI_REPORT_EXCEPTION(title, ex)

Generate a report on the exception.

virtual const char * what(void) const noexcept

Standard report (includes full backlog).

static const string BoolToString(bool value)

Convert bool to string.

Defines the CNcbiApplication and CAppException classes for creating NCBI applications.

Defines command line argument related classes.

Defines unified interface to application:

static SLJIT_INLINE sljit_ins lg(sljit_gpr r, sljit_s32 d, sljit_gpr x, sljit_gpr b)

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