pschlump / gtmpl

Template generate code

gtmpl

Template generate code

How to Use

gtmpl maps a set of JSON data across a set of templates.

The data can be supplied in a configuration file with the --data flag.

The data can also be supplied on the command line with the --cli flag.

Example:

	$ ./gtmpl --cli '{"a":4}' --cli '{"b":8}' --data t1.json --cli '{"a":22}' \
		--debug echo_input --tmpl ./test1 --out ./out > out/test001.out

The data is merged in the order it is specified. In the above example "a" will end being a numeric value of 22.

The templates are specified using the --tmpl flag. If you specify a file it will use a single template file. If you specific a directory all the *.tmpl in the directory will be processed. It will not at at this time recursively traverse decent the directory tree.

Each file will be placed in the --out directory with the .tmpl stripped off. This means that abc.go.tmpl will end up being abc.go.

An XML example

	$ ./gtmpl --cli '{"eventUUID":"99a2199d-473c-41b4-6e3a-794102710c90"}' \
		--data sampleAnimal.json --debug echo_input --tmpl ./test_xml \
		--out ./out > out/test003.out

A Sort of Realistic Example

The task is to substitute string in for a data type and generate the data type. The template is GO code with an unknown data type inside the struct.

The template has the struct in it.

type DLL{{.type}} struct {
	next, prev *DLL{{.type}}
	data {{.type}}
}