pvutils.h File Reference

#include <ostream>
#include <iostream>
#include <string>
#include <epicsEvent.h>
#include <epicsMutex.h>
#include <epicsGuard.h>
#include <pv/event.h>
#include <pv/pvData.h>
#include <pv/pvAccess.h>

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Classes
struct	Tracker

Macros
#define	COMMON_OPTIONS

Typedefs
typedef epicsGuard< epicsMutex >	Guard
typedef epicsGuardRelease< epicsMutex >	UnGuard

Functions
void	jarray (pvd::shared_vector< std::string > &out, const char *inp)

Variables
double	timeout
bool	debugFlag
pvd::PVStructure::Formatter::format_t	outmode
int	verbosity
std::string	request
std::string	defaultProvider

Macro Definition Documentation

#define COMMON_OPTIONS

Value:

"options:\n" \
    "  -h: Help: Print this message\n" \
    "  -V: Print version and exit\n" \
    "  -r <pv request>:   Request, specifies what fields to return and options, default is '%s'\n" \
    "  -w <sec>:          Wait time, specifies timeout, default is %f second(s)\n" \
    "  -p <provider>:     Set default provider name, default is '%s'\n" \
    "  -M <raw|nt|json>:  Output mode.  default is 'nt'\n" \
    "  -v:                Show entire structure (implies Raw mode)\n" \
    "  -q:                Quiet mode, print only error messages\n" \
    "  -d:                Enable debug output\n"

Definition at line 25 of file pvutils.h.

Typedef Documentation

typedef epicsGuard<epicsMutex> Guard

Definition at line 20 of file pvutils.h.

typedef epicsGuardRelease<epicsMutex> UnGuard

Definition at line 21 of file pvutils.h.

Function Documentation

void jarray	(	pvd::shared_vector< std::string > &	out,
		const char *	inp
	)

Definition at line 68 of file pvutils.cpp.

{
    assert(inp[0]=='[');
    const char * const orig = inp;
    inp++;

    while(true) {
        // starting a new token

        for(; *inp==' '; inp++) {} // skip leading whitespace

        if(*inp=='\0') early(inp, inp-orig);

        if(isalnum(*inp) || *inp=='+' || *inp=='-') {
            // number

            const char *start = inp;

            while(isalnum(*inp) || *inp=='.' || *inp=='+' || *inp=='-')
                inp++;

            if(*inp=='\0') early(inp, inp-orig);

            // inp points to first char after token

            out.push_back(std::string(start, inp-start));

        } else if(*inp=='"') {
            // quoted string

            const char *start = ++inp; // skip quote

            while(*inp!='\0' && *inp!='"')
                inp++;

            if(*inp=='\0') early(inp, inp-orig);

            // inp points to trailing "

            out.push_back(std::string(start, inp-start));

            inp++; // skip trailing "

        } else if(*inp==']') {
            // no-op
        } else {
            fprintf(stderr, "Unknown token '%c' in \"%s\"", *inp, inp);
            throw std::runtime_error("Unknown token");
        }

        for(; *inp==' '; inp++) {} // skip trailing whitespace

        if(*inp==',') inp++;
        else if(*inp==']') break;
        else {
            fprintf(stderr, "Unknown token '%c' in \"%s\"", *inp, inp);
            throw std::runtime_error("Unknown token");
        }
    }

}

Variable Documentation

bool debugFlag

Definition at line 26 of file pvutils.cpp.

std::string defaultProvider

pvd::PVStructure::Formatter::format_t outmode

Definition at line 28 of file pvutils.cpp.

std::string request

double timeout

Definition at line 25 of file pvutils.cpp.

int verbosity

Definition at line 29 of file pvutils.cpp.