finally organized code

This commit is contained in:
Noah Swerhun 2023-12-13 14:50:12 -06:00
parent 81d51c0dbf
commit 60f122de78
4 changed files with 423 additions and 409 deletions

140
src/build_rule.rs Normal file
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@ -0,0 +1,140 @@
use std::{path::PathBuf, fs};
use crate::ARGS;
use path_clean::PathClean;
use regex::Regex;
use crate::makefile::*;
#[derive(Debug)]
#[allow(dead_code)]
pub enum BuildRuleKind<T> {
Object(T),
Target(T),
Directory(T),
Convenience(T),
}
#[derive(Debug,Clone)]
pub struct BuildRule {
pub target: String,
pub prerequisites: Vec<String>,
pub recipe_commands: Vec<String>,
}
impl BuildRule {
pub fn get_headers_from_c_file(path: &str, makefile: &Makefile) -> Vec<String> {
let mut headers: Vec<String> = Vec::new();
let file_contents = fs::read_to_string(path).unwrap_or_else(|e| {
panic!("error: could not read file {path}: {e}");
});
let file_path = PathBuf::from(path);
let file_dir = file_path.parent().unwrap();
let includes_regex = Regex::new(r#"#include\s+"(.*?)""#).unwrap();
let caps = includes_regex.captures_iter(&file_contents);
'fileloop: for (_, [include_file]) in caps.map(|c| c.extract()) {
let path = file_dir.join(PathBuf::from(include_file)).clean();
match path.exists() {
true => {
headers.push(String::from(path.to_str().unwrap()));
continue;
},
false => (),
}
for dir in makefile.include_dirs.iter() {
let dir = PathBuf::from(&dir);
let path = dir.join(PathBuf::from(include_file)).clean();
match path.exists() {
true => {
headers.push(String::from(path.to_str().unwrap()));
continue 'fileloop;
},
false => (),
}
}
let path = file_dir.join(PathBuf::from(include_file));
headers.push(String::from(path.to_str().unwrap()));
}
headers
}
pub fn new_from_c_file(path: &str, makefile: &Makefile) -> BuildRule {
let mut prerequisites: Vec<String> = Vec::new();
prerequisites.push(String::from(path));
prerequisites.append(&mut BuildRule::get_headers_from_c_file(path, makefile));
prerequisites.push(String::from("| $(OBJDIR)"));
let file_path = PathBuf::from(path);
let obj_name = file_path.with_extension("o");
let obj_name = obj_name.file_name().unwrap();
let obj_path = PathBuf::from("$(OBJDIR)").join(obj_name);
let obj_path = obj_path.to_str().unwrap();
let compile_command = format!("$(CC) $(CFLAGS) $(INCS) -o {} -c {}", obj_path, path);
BuildRule { target: String::from(obj_path), prerequisites, recipe_commands: vec![compile_command] }
}
}
impl ToString for BuildRuleKind<BuildRule> {
fn to_string(&self) -> String {
let rule = match self {
BuildRuleKind::Object(v) => v,
BuildRuleKind::Target(v) => v,
BuildRuleKind::Directory(v) => v,
BuildRuleKind::Convenience(v) => v,
};
let mut ret = String::new();
ret.push_str(&format!("{}: ", rule.target));
ret.push_str(&rule.prerequisites.join(" "));
ret.push_str(&format!("\n"));
ARGS.with(|args| {
let mut command_prefix = "\t";
let mut special = false;
if args.pretty {
command_prefix = "\t@";
let verb = match self {
BuildRuleKind::Object(_) => "Building",
BuildRuleKind::Target(_) => "Linking",
BuildRuleKind::Directory(_) => "Creating directory",
BuildRuleKind::Convenience(_) => {
special = true;
if rule.target.contains("clean") {
ret.push_str(&format!("{}printf '\\e[90m:: Cleaning up ...\\e[0m'\n", command_prefix));
}
if rule.target.contains("run") {
ret.push_str(&format!("{}printf '\\e[34m:: Running\\e[0m \\e[1m%s\\e[0m \\e[34m...\\e[0m\\n' $(TARGET)\n", command_prefix));
}
""
},
};
if !special {
ret.push_str(&format!("{}printf '\\e[90m:: {}\\e[0m \\e[1m%s\\e[0m \\e[90m...\\e[0m' {}\n", command_prefix, verb,
(PathBuf::from(&rule.target)).file_name().unwrap().to_str().unwrap()));
}
}
ret.push_str(&rule.recipe_commands.iter()
.map(|v| format!("{}{}", command_prefix, v))
.collect::<Vec<_>>()
.join("\n"));
if args.pretty {
ret.push_str(&format!("\n{}printf ' \\e[32mdone\\e[0m\\n'", command_prefix));
}
});
ret
}
}

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@ -1,14 +1,11 @@
use std::path::PathBuf;
use std::io::ErrorKind;
use std::fs::{self, DirEntry};
use std::process::exit;
use regex::Regex;
use clap::Parser;
use path_clean::PathClean;
const START_KEY: &str = "#=mgen_start=#\n";
const END_KEY: &str = "\n#=mgen_end=#";
mod build_rule;
mod makefile;
mod rule_list;
use makefile::*;
use rule_list::*;
#[derive(Parser, Debug)]
struct Args {
@ -35,407 +32,6 @@ struct Args {
thread_local! {static ARGS: Args = Args::parse()}
#[derive(Debug)]
#[allow(dead_code)]
enum BuildRuleKind<T> {
Object(T),
Target(T),
Directory(T),
Convenience(T),
}
#[derive(Debug,Clone)]
struct BuildRule {
target: String,
prerequisites: Vec<String>,
recipe_commands: Vec<String>,
}
#[derive(Debug)]
#[allow(dead_code)]
struct Makefile {
path: String,
prologue: String,
mgen_zone: String,
epilogue: String,
include_dirs: Vec<String>,
}
#[derive(Debug)]
struct RuleList(Vec<BuildRuleKind<BuildRule>>);
impl BuildRule {
fn get_headers_from_c_file(path: &str, makefile: &Makefile) -> Vec<String> {
let mut headers: Vec<String> = Vec::new();
let file_contents = fs::read_to_string(path).unwrap_or_else(|e| {
panic!("error: could not read file {path}: {e}");
});
let file_path = PathBuf::from(path);
let file_dir = file_path.parent().unwrap();
let includes_regex = Regex::new(r#"#include\s+"(.*?)""#).unwrap();
let caps = includes_regex.captures_iter(&file_contents);
'fileloop: for (_, [include_file]) in caps.map(|c| c.extract()) {
let path = file_dir.join(PathBuf::from(include_file)).clean();
match path.exists() {
true => {
headers.push(String::from(path.to_str().unwrap()));
continue;
},
false => (),
}
for dir in makefile.include_dirs.iter() {
let dir = PathBuf::from(&dir);
let path = dir.join(PathBuf::from(include_file)).clean();
match path.exists() {
true => {
headers.push(String::from(path.to_str().unwrap()));
continue 'fileloop;
},
false => (),
}
}
let path = file_dir.join(PathBuf::from(include_file));
headers.push(String::from(path.to_str().unwrap()));
}
headers
}
fn new_from_c_file(path: &str, makefile: &Makefile) -> BuildRule {
let mut prerequisites: Vec<String> = Vec::new();
prerequisites.push(String::from(path));
prerequisites.append(&mut BuildRule::get_headers_from_c_file(path, makefile));
prerequisites.push(String::from("| $(OBJDIR)"));
let file_path = PathBuf::from(path);
let obj_name = file_path.with_extension("o");
let obj_name = obj_name.file_name().unwrap();
let obj_path = PathBuf::from("$(OBJDIR)").join(obj_name);
let obj_path = obj_path.to_str().unwrap();
let compile_command = format!("$(CC) $(CFLAGS) $(INCS) -o {} -c {}", obj_path, path);
BuildRule { target: String::from(obj_path), prerequisites, recipe_commands: vec![compile_command] }
}
}
impl ToString for BuildRuleKind<BuildRule> {
fn to_string(&self) -> String {
let rule = match self {
BuildRuleKind::Object(v) => v,
BuildRuleKind::Target(v) => v,
BuildRuleKind::Directory(v) => v,
BuildRuleKind::Convenience(v) => v,
};
let mut ret = String::new();
ret.push_str(&format!("{}: ", rule.target));
ret.push_str(&rule.prerequisites.join(" "));
ret.push_str(&format!("\n"));
ARGS.with(|args| {
let mut command_prefix = "\t";
let mut special = false;
if args.pretty {
command_prefix = "\t@";
let verb = match self {
BuildRuleKind::Object(_) => "Building",
BuildRuleKind::Target(_) => "Linking",
BuildRuleKind::Directory(_) => "Creating directory",
BuildRuleKind::Convenience(_) => {
special = true;
if rule.target.contains("clean") {
ret.push_str(&format!("{}printf '\\e[90m:: Cleaning up ...\\e[0m'\n", command_prefix));
}
if rule.target.contains("run") {
ret.push_str(&format!("{}printf '\\e[34m:: Running\\e[0m \\e[1m%s\\e[0m \\e[34m...\\e[0m\\n' $(TARGET)\n", command_prefix));
}
""
},
};
if !special {
ret.push_str(&format!("{}printf '\\e[90m:: {}\\e[0m \\e[1m%s\\e[0m \\e[90m...\\e[0m' {}\n", command_prefix, verb,
(PathBuf::from(&rule.target)).file_name().unwrap().to_str().unwrap()));
}
}
ret.push_str(&rule.recipe_commands.iter()
.map(|v| format!("{}{}", command_prefix, v))
.collect::<Vec<_>>()
.join("\n"));
if args.pretty {
ret.push_str(&format!("\n{}printf ' \\e[32mdone\\e[0m\\n'", command_prefix));
}
});
ret
}
}
impl Makefile {
fn new_from_path(path: &str) -> Makefile {
let contents = match fs::read_to_string(path) {
Ok(v) => v,
Err(e) => match e.kind() {
// doesn't matter if the file doesn't exist, it will be created
// later.
ErrorKind::NotFound => return Makefile {
path: String::from(path), prologue: String::from(""),
mgen_zone: String::from(""), epilogue: String::from(""),
include_dirs: vec![String::from("")] },
_ => panic!("error: cannot read makefile: {e}")
}
};
let contains_start = contents.find(START_KEY).is_some();
let contains_end = contents.find(END_KEY).is_some();
if (contains_start && !contains_end) || (!contains_start &&
contains_end) {
panic!("error: makefile contains one mgen guard but not the other. cannot continue.");
}
if !(contains_start && contains_end) {
let include_dirs = Makefile::get_include_dirs(&contents);
return Makefile { path: String::from(path), prologue: contents,
mgen_zone: String::from(""), epilogue: String::from(""), include_dirs };
}
// contains the part before the start key and everything after
let pre_and_after: Vec<&str> = contents.split(START_KEY).collect();
// contains the space between start and end keys and also the space after
let gen_and_post: Vec<&str> = pre_and_after[1].split(END_KEY).collect();
let include_dirs = Makefile::get_include_dirs(&contents);
Makefile {
path: String::from(path),
prologue: String::from(pre_and_after[0]),
mgen_zone: String::from(gen_and_post[0]),
epilogue: String::from(gen_and_post[1]),
include_dirs
}
}
fn get_include_dirs(search: &String) -> Vec<String> {
let mut include_dirs: Vec<String> = Vec::new();
let makefile_regex = Regex::new(r"INCS\s*=\s*(.*)").unwrap();
let caps = makefile_regex.captures_iter(search);
let dirlist = match caps.map(|c| c.extract()).last() {
Some((_, [v])) => v,
None => {
return include_dirs
}
,
};
let incdir_regex = Regex::new(r"\s*-I\s*(.*?)(?:[\s]|$)").unwrap();
let caps = incdir_regex.captures_iter(&dirlist);
for (_, [dir]) in caps.map(|c| c.extract()) {
include_dirs.push(String::from(dir));
}
include_dirs
}
fn contains_builddir_def(&self) -> bool {
let re = Regex::new(r"\s+BUILDDIR = ").unwrap();
re.is_match(&(self.prologue)) || re.is_match(&(self.epilogue))
}
fn contains_objdir_def(&self) -> bool {
let re = Regex::new(r"\s+OBJDIR = ").unwrap();
re.is_match(&(self.prologue)) || re.is_match(&(self.epilogue))
}
fn write_new_generated_content(&self, generated_content: String) -> std::io::Result<()> {
let content = [&self.prologue, START_KEY, &generated_content, END_KEY, &self.epilogue].concat();
fs::write(&self.path, &content)?;
Ok(())
}
}
impl ToString for RuleList {
fn to_string(&self) -> String {
let targets = &self.get_target_rules().iter().map(|v| v.to_string()).collect::<Vec<_>>().join("\n");
let objects = &self.get_object_rules().iter().map(|v| v.to_string()).collect::<Vec<_>>().join("\n");
let directories = &self.get_directory_rules().iter().map(|v| v.to_string()).collect::<Vec<_>>().join("\n");
let conveniences = &self.get_convenience_rules().iter().map(|v| v.to_string()).collect::<Vec<_>>().join("\n");
let all = [targets, objects, directories, conveniences];
let mut nonzero: Vec<String> = Vec::new();
for category in all {
if category.len() != 0 {
nonzero.push(category.clone());
}
}
nonzero.join("\n\n")
}
}
impl RuleList {
fn new() -> RuleList{
RuleList(vec![])
}
fn recursively_gen_objects(&mut self, proj_dir_path: &str, makefile: &Makefile) -> std::io::Result<()>{
let files = fs::read_dir(proj_dir_path)?;
for file in files {
let file = file?;
let is_dir = file.metadata()?.is_dir();
// ignore hidden files
if file_is_hidden(&file) {
continue;
}
let path = file.path();
if is_dir {
self.recursively_gen_objects(path.to_str().unwrap(), makefile)?;
} else {
match path.extension() {
Some(v) => {
let v = v.to_str().unwrap();
if v != "c" {
continue;
}
let path = path.to_str().unwrap();
self.0.push(BuildRuleKind::Object(BuildRule::new_from_c_file(path, makefile)));
},
None => {
continue;
},
}
}
}
Ok(())
}
fn get_obj_targets(&self) -> Vec<String>{
let mut ret: Vec<String> = Vec::new();
for rule in &self.0 {
match rule {
BuildRuleKind::Object(r) => ret.push(r.target.clone()),
_ => break,
}
}
ret
}
fn add_target_rule(&mut self) {
let mut objects = self.get_obj_targets();
let target_comm = String::from(
format!("$(CC) $(LDFLAGS) $(INCS) -o $(BUILDDIR)/$(TARGET) {} $(LDLIBS)", objects.join(" "))
);
objects.push(String::from("| $(OBJDIR) $(BUILDDIR)"));
let prereqs = objects;
self.0.push(BuildRuleKind::Target(BuildRule {
target: String::from("$(BUILDDIR)/$(TARGET)"),
prerequisites: prereqs,
recipe_commands: vec![target_comm],
}))
}
fn add_directory_rule(&mut self, dir: &str) {
self.0.push(BuildRuleKind::Directory(BuildRule {
target: dir.to_string(),
prerequisites: vec![],
recipe_commands: vec![format!("mkdir -p {dir}").to_string()]
}));
}
fn add_clean_rule(&mut self) {
self.0.push(BuildRuleKind::Convenience(BuildRule {
target: String::from(".PHONY: clean\nclean"),
prerequisites: vec![],
recipe_commands: vec![String::from("rm -r $(OBJDIR)"), String::from("rm -r $(BUILDDIR)")]
}));
}
fn add_run_rule(&mut self) {
self.0.push(BuildRuleKind::Convenience(BuildRule {
target: String::from(".PHONY: run\nrun"),
prerequisites: vec![String::from("$(BUILDDIR)/$(TARGET)")],
recipe_commands: vec![String::from("./$(BUILDDIR)/$(TARGET)")]
}));
}
fn get_target_rules(&self) -> Vec<BuildRuleKind<BuildRule>> {
let mut ret: Vec<BuildRuleKind<BuildRule>> = Vec::new();
for rule in &self.0 {
match rule {
BuildRuleKind::Target(r) => ret.push(BuildRuleKind::Target(r.clone())),
_ => continue,
}
}
ret
}
fn get_object_rules(&self) -> Vec<BuildRuleKind<BuildRule>> {
let mut ret: Vec<BuildRuleKind<BuildRule>> = Vec::new();
for rule in &self.0 {
match rule {
BuildRuleKind::Object(r) => ret.push(BuildRuleKind::Object(r.clone())),
_ => continue,
}
}
ret
}
fn get_directory_rules(&self) -> Vec<BuildRuleKind<BuildRule>> {
let mut ret: Vec<BuildRuleKind<BuildRule>> = Vec::new();
for rule in &self.0 {
match rule {
BuildRuleKind::Directory(r) => ret.push(BuildRuleKind::Directory(r.clone())),
_ => continue,
}
}
ret
}
fn get_convenience_rules(&self) -> Vec<BuildRuleKind<BuildRule>> {
let mut ret: Vec<BuildRuleKind<BuildRule>> = Vec::new();
for rule in &self.0 {
match rule {
BuildRuleKind::Convenience(r) => ret.push(BuildRuleKind::Convenience(r.clone())),
_ => continue,
}
}
ret
}
}
fn file_is_hidden(file: &DirEntry) -> bool{
let file_name = file.file_name();
let str_name = file_name.to_str().unwrap();
let first_char = str_name.chars().nth(0).unwrap();
if first_char == '.' {
true
} else {
false
}
}
fn main() {
let mut makefile_name = String::new();

104
src/makefile.rs Normal file
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@ -0,0 +1,104 @@
use std::{fs, io::ErrorKind};
use regex::Regex;
const START_KEY: &str = "#=mgen_start=#\n";
const END_KEY: &str = "\n#=mgen_end=#";
#[derive(Debug)]
#[allow(dead_code)]
pub struct Makefile {
pub path: String,
pub prologue: String,
pub mgen_zone: String,
pub epilogue: String,
pub include_dirs: Vec<String>,
}
impl Makefile {
pub fn new_from_path(path: &str) -> Makefile {
let contents = match fs::read_to_string(path) {
Ok(v) => v,
Err(e) => match e.kind() {
// doesn't matter if the file doesn't exist, it will be created
// later.
ErrorKind::NotFound => return Makefile {
path: String::from(path), prologue: String::from(""),
mgen_zone: String::from(""), epilogue: String::from(""),
include_dirs: vec![String::from("")] },
_ => panic!("error: cannot read makefile: {e}")
}
};
let contains_start = contents.find(START_KEY).is_some();
let contains_end = contents.find(END_KEY).is_some();
if (contains_start && !contains_end) || (!contains_start &&
contains_end) {
panic!("error: makefile contains one mgen guard but not the other. cannot continue.");
}
if !(contains_start && contains_end) {
let include_dirs = Makefile::get_include_dirs(&contents);
return Makefile { path: String::from(path), prologue: contents,
mgen_zone: String::from(""), epilogue: String::from(""), include_dirs };
}
// contains the part before the start key and everything after
let pre_and_after: Vec<&str> = contents.split(START_KEY).collect();
// contains the space between start and end keys and also the space after
let gen_and_post: Vec<&str> = pre_and_after[1].split(END_KEY).collect();
let include_dirs = Makefile::get_include_dirs(&contents);
Makefile {
path: String::from(path),
prologue: String::from(pre_and_after[0]),
mgen_zone: String::from(gen_and_post[0]),
epilogue: String::from(gen_and_post[1]),
include_dirs
}
}
pub fn get_include_dirs(search: &String) -> Vec<String> {
let mut include_dirs: Vec<String> = Vec::new();
let makefile_regex = Regex::new(r"INCS\s*=\s*(.*)").unwrap();
let caps = makefile_regex.captures_iter(search);
let dirlist = match caps.map(|c| c.extract()).last() {
Some((_, [v])) => v,
None => {
return include_dirs
}
,
};
let incdir_regex = Regex::new(r"\s*-I\s*(.*?)(?:[\s]|$)").unwrap();
let caps = incdir_regex.captures_iter(&dirlist);
for (_, [dir]) in caps.map(|c| c.extract()) {
include_dirs.push(String::from(dir));
}
include_dirs
}
pub fn contains_builddir_def(&self) -> bool {
let re = Regex::new(r"\s+BUILDDIR = ").unwrap();
re.is_match(&(self.prologue)) || re.is_match(&(self.epilogue))
}
pub fn contains_objdir_def(&self) -> bool {
let re = Regex::new(r"\s+OBJDIR = ").unwrap();
re.is_match(&(self.prologue)) || re.is_match(&(self.epilogue))
}
pub fn write_new_generated_content(&self, generated_content: String) -> std::io::Result<()> {
let content = [&self.prologue, START_KEY, &generated_content, END_KEY, &self.epilogue].concat();
fs::write(&self.path, &content)?;
Ok(())
}
}

174
src/rule_list.rs Normal file
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@ -0,0 +1,174 @@
use std::fs;
use std::fs::DirEntry;
use crate::build_rule::*;
use crate::makefile::*;
#[derive(Debug)]
pub struct RuleList(pub Vec<BuildRuleKind<BuildRule>>);
impl RuleList {
pub fn new() -> RuleList{
RuleList(vec![])
}
pub fn recursively_gen_objects(&mut self, proj_dir_path: &str, makefile: &Makefile) -> std::io::Result<()>{
let files = fs::read_dir(proj_dir_path)?;
for file in files {
let file = file?;
let is_dir = file.metadata()?.is_dir();
// ignore hidden files
if file_is_hidden(&file) {
continue;
}
let path = file.path();
if is_dir {
self.recursively_gen_objects(path.to_str().unwrap(), makefile)?;
} else {
match path.extension() {
Some(v) => {
let v = v.to_str().unwrap();
if v != "c" {
continue;
}
let path = path.to_str().unwrap();
self.0.push(BuildRuleKind::Object(BuildRule::new_from_c_file(path, makefile)));
},
None => {
continue;
},
}
}
}
Ok(())
}
pub fn get_obj_targets(&self) -> Vec<String>{
let mut ret: Vec<String> = Vec::new();
for rule in &self.0 {
match rule {
BuildRuleKind::Object(r) => ret.push(r.target.clone()),
_ => break,
}
}
ret
}
pub fn add_target_rule(&mut self) {
let mut objects = self.get_obj_targets();
let target_comm = String::from(
format!("$(CC) $(LDFLAGS) $(INCS) -o $(BUILDDIR)/$(TARGET) {} $(LDLIBS)", objects.join(" "))
);
objects.push(String::from("| $(OBJDIR) $(BUILDDIR)"));
let prereqs = objects;
self.0.push(BuildRuleKind::Target(BuildRule {
target: String::from("$(BUILDDIR)/$(TARGET)"),
prerequisites: prereqs,
recipe_commands: vec![target_comm],
}))
}
pub fn add_directory_rule(&mut self, dir: &str) {
self.0.push(BuildRuleKind::Directory(BuildRule {
target: dir.to_string(),
prerequisites: vec![],
recipe_commands: vec![format!("mkdir -p {dir}").to_string()]
}));
}
pub fn add_clean_rule(&mut self) {
self.0.push(BuildRuleKind::Convenience(BuildRule {
target: String::from(".PHONY: clean\nclean"),
prerequisites: vec![],
recipe_commands: vec![String::from("rm -r $(OBJDIR)"), String::from("rm -r $(BUILDDIR)")]
}));
}
pub fn add_run_rule(&mut self) {
self.0.push(BuildRuleKind::Convenience(BuildRule {
target: String::from(".PHONY: run\nrun"),
prerequisites: vec![String::from("$(BUILDDIR)/$(TARGET)")],
recipe_commands: vec![String::from("./$(BUILDDIR)/$(TARGET)")]
}));
}
pub fn get_target_rules(&self) -> Vec<BuildRuleKind<BuildRule>> {
let mut ret: Vec<BuildRuleKind<BuildRule>> = Vec::new();
for rule in &self.0 {
match rule {
BuildRuleKind::Target(r) => ret.push(BuildRuleKind::Target(r.clone())),
_ => continue,
}
}
ret
}
pub fn get_object_rules(&self) -> Vec<BuildRuleKind<BuildRule>> {
let mut ret: Vec<BuildRuleKind<BuildRule>> = Vec::new();
for rule in &self.0 {
match rule {
BuildRuleKind::Object(r) => ret.push(BuildRuleKind::Object(r.clone())),
_ => continue,
}
}
ret
}
pub fn get_directory_rules(&self) -> Vec<BuildRuleKind<BuildRule>> {
let mut ret: Vec<BuildRuleKind<BuildRule>> = Vec::new();
for rule in &self.0 {
match rule {
BuildRuleKind::Directory(r) => ret.push(BuildRuleKind::Directory(r.clone())),
_ => continue,
}
}
ret
}
pub fn get_convenience_rules(&self) -> Vec<BuildRuleKind<BuildRule>> {
let mut ret: Vec<BuildRuleKind<BuildRule>> = Vec::new();
for rule in &self.0 {
match rule {
BuildRuleKind::Convenience(r) => ret.push(BuildRuleKind::Convenience(r.clone())),
_ => continue,
}
}
ret
}
}
fn file_is_hidden(file: &DirEntry) -> bool{
let file_name = file.file_name();
let str_name = file_name.to_str().unwrap();
let first_char = str_name.chars().nth(0).unwrap();
if first_char == '.' {
true
} else {
false
}
}
impl ToString for RuleList {
fn to_string(&self) -> String {
let targets = &self.get_target_rules().iter().map(|v| v.to_string()).collect::<Vec<_>>().join("\n");
let objects = &self.get_object_rules().iter().map(|v| v.to_string()).collect::<Vec<_>>().join("\n");
let directories = &self.get_directory_rules().iter().map(|v| v.to_string()).collect::<Vec<_>>().join("\n");
let conveniences = &self.get_convenience_rules().iter().map(|v| v.to_string()).collect::<Vec<_>>().join("\n");
let all = [targets, objects, directories, conveniences];
let mut nonzero: Vec<String> = Vec::new();
for category in all {
if category.len() != 0 {
nonzero.push(category.clone());
}
}
nonzero.join("\n\n")
}
}