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Make plget a bit more flexible.

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@22322 72102866-910b-0410-8b05-ffd578937521
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CaS 2006-01-17 15:07:23 +00:00
parent a753b38f67
commit c31205a461
2 changed files with 23 additions and 6 deletions
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3
Tools/pldes.1
View file

@ -15,7 +15,7 @@ pl, pldes, plser, plmerge, plparse, pl2link \- property list tools
.nf .nf
.BI "pldes " "filename(s)" .BI "pldes " "filename(s)"
.nl .nl
.BI "plget " "key" .BI "plget " "key" [ more keys ]
.nl .nl
.BI "plser " "filename(s)" .BI "plser " "filename(s)"
.nl .nl
@ -48,6 +48,7 @@ representation.
Reads a text representation of a dictionary in property list format as Reads a text representation of a dictionary in property list format as
standard input, extracts the string value held in that dictionary with standard input, extracts the string value held in that dictionary with
the specified key, and writes the result to standard output. the specified key, and writes the result to standard output.
Multiple keys may be used to extract values from nested dictionaries.
.IP "\fBplser\fR \fIfilename(s)\fR" 4 .IP "\fBplser\fR \fIfilename(s)\fR" 4
Converts a text representation of a property list to a binary serialized Converts a text representation of a property list to a binary serialized
representation. representation.

26
Tools/plget.m
View file

@ -33,9 +33,13 @@
/** <p> This tool extracts a string value from a dictionary in a property /** <p> This tool extracts a string value from a dictionary in a property
list representation.<br /> list representation.<br />
It takes a single argument (the key to be extracted).<br /> It takes one or more argument (the key to be extracted).<br />
It expects to read the property list from STDIN.<br /> It expects to read the property list from STDIN.<br />
It writes the string value (if any) on STDOUT<br /> It writes the string value (if any) on STDOUT<br />
Where multiple keys are specified, they are used to extract nested
values from dictionaries within the outermost dictionary.<br />
Where the resulting object exists and is not a string,
its description is written to STDOUT.
</p> */ </p> */
int int
main(int argc, char** argv, char **env) main(int argc, char** argv, char **env)
@ -44,6 +48,7 @@ main(int argc, char** argv, char **env)
NSProcessInfo *proc; NSProcessInfo *proc;
NSArray *args; NSArray *args;
int status = EXIT_SUCCESS; int status = EXIT_SUCCESS;
int count;
#ifdef GS_PASS_ARGUMENTS #ifdef GS_PASS_ARGUMENTS
[NSProcessInfo initializeWithArguments:argv count:argc environment:env]; [NSProcessInfo initializeWithArguments:argv count:argc environment:env];
@ -59,7 +64,7 @@ main(int argc, char** argv, char **env)
args = [proc arguments]; args = [proc arguments];
if ([args count] <= 1) if ((count = [args count]) <= 1)
{ {
NSLog(@"plget: no key given to get."); NSLog(@"plget: no key given to get.");
RELEASE(pool); RELEASE(pool);
@ -71,11 +76,13 @@ main(int argc, char** argv, char **env)
NSData *inputData; NSData *inputData;
NSString *inputString; NSString *inputString;
NSDictionary *dictionary; NSDictionary *dictionary;
NSString *value;
NSData *outputData; NSData *outputData;
NS_DURING NS_DURING
{ {
int i = 1;
id value;
fileHandle = [NSFileHandle fileHandleWithStandardInput]; fileHandle = [NSFileHandle fileHandleWithStandardInput];
inputData = [fileHandle readDataToEndOfFile]; inputData = [fileHandle readDataToEndOfFile];
inputString = [[NSString alloc] initWithData: inputData inputString = [[NSString alloc] initWithData: inputData
@ -85,9 +92,18 @@ main(int argc, char** argv, char **env)
inputString = [[NSString alloc] initWithData: inputData inputString = [[NSString alloc] initWithData: inputData
encoding: [NSString defaultCStringEncoding]]; encoding: [NSString defaultCStringEncoding]];
} }
dictionary = [inputString propertyList]; value = [inputString propertyList];
RELEASE(inputString); RELEASE(inputString);
value = [dictionary objectForKey: [args objectAtIndex: 1]]; while (i < count-1)
{
value = [(NSDictionary*)value objectForKey:
[args objectAtIndex: i++]];
}
value = [(NSDictionary*)value objectForKey: [args objectAtIndex: i]];
if ([value isKindOfClass: [NSString class]] == NO)
{
value = [value description];
}
outputData = [value dataUsingEncoding: outputData = [value dataUsingEncoding:
[NSString defaultCStringEncoding]]; [NSString defaultCStringEncoding]];
if ([outputData length] > 0) if ([outputData length] > 0)