<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `src/lib/functions/mod.rs`."><title>mod.rs - source</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2" crossorigin href="../../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../../static.files/rustdoc-c579a84d.css"><meta name="rustdoc-vars" data-root-path="../../../" data-static-root-path="../../../static.files/" data-current-crate="cli" data-themes="" data-resource-suffix="" data-rustdoc-version="1.86.0-nightly (6067b3631 2025-01-17)" data-channel="nightly" data-search-js="search-ccb196c1.js" data-settings-js="settings-0f613d39.js" ><script src="../../../static.files/storage-59e33391.js"></script><script defer src="../../../static.files/src-script-56102188.js"></script><script defer src="../../../src-files.js"></script><script defer src="../../../static.files/main-5f194d8c.js"></script><noscript><link rel="stylesheet" href="../../../static.files/noscript-893ab5e7.css"></noscript><link rel="alternate icon" type="image/png" href="../../../static.files/favicon-32x32-6580c154.png"><link rel="icon" type="image/svg+xml" href="../../../static.files/favicon-044be391.svg"></head><body class="rustdoc src"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="src-sidebar-title"><h2>Files</h2></div></nav><div class="sidebar-resizer"></div><main><rustdoc-search></rustdoc-search><section id="main-content" class="content"><div class="main-heading"><h1><div class="sub-heading">cli/functions/</div>mod.rs</h1><rustdoc-toolbar></rustdoc-toolbar></div><div class="example-wrap"><div data-nosnippet><pre class="src-line-numbers">
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//!
//! Custom operations which can be invoked in makefiles.
//!
</span><span class="attr">#[cfg(test)]
#[path = <span class="string">"mod_test.rs"</span>]
</span><span class="kw">mod </span>mod_test;
<span class="kw">mod </span>decode_func;
<span class="kw">mod </span>getat_func;
<span class="kw">mod </span>remove_empty_func;
<span class="kw">mod </span>split_func;
<span class="kw">mod </span>trim_func;
<span class="kw">use </span><span class="kw">crate</span>::error::CargoMakeError;
<span class="kw">use </span><span class="kw">crate</span>::types::{Step, Task};
<span class="kw">fn </span>run_function(
function_name: <span class="kw-2">&</span>str,
function_args: <span class="kw-2">&</span>Vec<String>,
) -> <span class="prelude-ty">Result</span><Vec<String>, CargoMakeError> {
<span class="macro">debug!</span>(
<span class="string">"Running function: {} arguments: {:#?}"</span>,
<span class="kw-2">&</span>function_name, <span class="kw-2">&</span>function_args
);
<span class="kw">match </span>function_name {
<span class="string">"split" </span>=> <span class="prelude-val">Ok</span>(split_func::invoke(function_args)),
<span class="string">"remove-empty" </span>=> <span class="prelude-val">Ok</span>(remove_empty_func::invoke(function_args)),
<span class="string">"trim" </span>=> trim_func::invoke(function_args),
<span class="string">"getat" </span>=> <span class="prelude-val">Ok</span>(getat_func::invoke(function_args)),
<span class="string">"decode" </span>=> <span class="prelude-val">Ok</span>(decode_func::invoke(function_args)),
<span class="kw">_ </span>=> {
<span class="macro">error!</span>(<span class="string">"Unknown function: {}"</span>, <span class="kw-2">&</span>function_name);
<span class="prelude-val">Err</span>(CargoMakeError::NotFound(<span class="macro">format!</span>(
<span class="string">"Unknown function: {}"</span>,
<span class="kw-2">&</span>function_name
)))
}
}
}
<span class="kw">fn </span>get_function_name(function_string: <span class="kw-2">&</span>str) -> <span class="prelude-ty">Option</span><String> {
<span class="kw">match </span>function_string.find(<span class="string">'('</span>) {
<span class="prelude-val">Some</span>(index) => <span class="prelude-val">Some</span>(function_string[<span class="number">0</span>..index].to_string()),
<span class="prelude-val">None </span>=> <span class="prelude-val">None</span>,
}
}
<span class="kw">fn </span>get_function_argument(value: <span class="kw-2">&</span>str) -> String {
<span class="kw">let </span>str_value = <span class="kw">if </span>value.len() == <span class="number">1 </span>{
value
} <span class="kw">else </span>{
value.trim()
};
str_value.to_string()
}
<span class="kw">fn </span>get_function_arguments(function_string: <span class="kw-2">&</span>str) -> <span class="prelude-ty">Option</span><Vec<String>> {
<span class="kw">if </span>function_string.starts_with(<span class="string">"("</span>) && function_string.ends_with(<span class="string">")"</span>) {
<span class="kw">let </span>args_string = function_string[<span class="number">1</span>..(function_string.len() - <span class="number">1</span>)].to_string();
<span class="kw">let </span>arguments = <span class="kw">if </span>args_string.len() > <span class="number">0 </span>{
args_string
.split(<span class="string">","</span>)
.map(|str_value| get_function_argument(<span class="kw-2">&</span>str_value))
.collect()
} <span class="kw">else </span>{
<span class="macro">vec!</span>[]
};
<span class="prelude-val">Some</span>(arguments)
} <span class="kw">else </span>{
<span class="prelude-val">None
</span>}
}
<span class="kw">fn </span>evaluate_and_run(value: <span class="kw-2">&</span>str) -> <span class="prelude-ty">Result</span><Vec<String>, CargoMakeError> {
<span class="kw">let </span>value_string = value.to_string();
<span class="kw">if </span>value_string.starts_with(<span class="string">"@@"</span>) {
<span class="kw">let </span><span class="kw-2">mut </span>function_string = value[<span class="number">2</span>..].to_string();
<span class="kw">let </span>func_name_option = get_function_name(<span class="kw-2">&</span>function_string);
<span class="kw">match </span>func_name_option {
<span class="prelude-val">Some</span>(function_name) => {
function_string = function_string[function_name.len()..].to_string();
<span class="kw">let </span>func_args_option = get_function_arguments(<span class="kw-2">&</span>function_string);
<span class="kw">match </span>func_args_option {
<span class="prelude-val">Some</span>(function_args) => run_function(<span class="kw-2">&</span>function_name, <span class="kw-2">&</span>function_args),
<span class="prelude-val">None </span>=> <span class="prelude-val">Ok</span>(<span class="macro">vec!</span>[value_string]),
}
}
<span class="prelude-val">None </span>=> <span class="prelude-val">Ok</span>(<span class="macro">vec!</span>[value_string]),
}
} <span class="kw">else </span>{
<span class="prelude-val">Ok</span>(<span class="macro">vec!</span>[value_string])
}
}
<span class="kw">fn </span>modify_arguments(task: <span class="kw-2">&mut </span>Task) -> <span class="prelude-ty">Result</span><(), CargoMakeError> {
task.args = <span class="kw">match </span>task.args {
<span class="prelude-val">Some</span>(<span class="kw-2">ref </span>args) => {
<span class="kw">let </span><span class="kw-2">mut </span>new_args = <span class="macro">vec!</span>[];
<span class="kw">for </span>index <span class="kw">in </span><span class="number">0</span>..args.len() {
<span class="kw">let </span>result_args = evaluate_and_run(<span class="kw-2">&</span>args[index])<span class="question-mark">?</span>;
<span class="kw">for </span>result_index <span class="kw">in </span><span class="number">0</span>..result_args.len() {
new_args.push(result_args[result_index].clone());
}
}
<span class="prelude-val">Some</span>(new_args)
}
<span class="prelude-val">None </span>=> <span class="prelude-val">None</span>,
};
<span class="prelude-val">Ok</span>(())
}
<span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>run(step: <span class="kw-2">&</span>Step) -> <span class="prelude-ty">Result</span><Step, CargoMakeError> {
<span class="comment">//clone data before modify
</span><span class="kw">let </span><span class="kw-2">mut </span>config = step.config.clone();
<span class="comment">//update args by running any needed function
</span>modify_arguments(<span class="kw-2">&mut </span>config)<span class="question-mark">?</span>;
<span class="prelude-val">Ok</span>(Step {
name: step.name.clone(),
config,
})
}
</code></pre></div></section></main></body></html>