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Merge branch 'rewrite'

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This commit is contained in:
Matthias Beyer 2015-12-28 18:03:13 +01:00
commit 8ba7e34e34
17 changed files with 895 additions and 895 deletions
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14
src/error.rs
View file

@ -1,14 +0,0 @@
use std::error::Error;
struct ApplicationError {
str: String
}
impl Error for ApplicationError {
fn description(&self) -> &str {
}
fn cause(&self) -> Option<&Error> {
}
}

37
src/main.rs
View file

@ -16,10 +16,6 @@ use configuration::Configuration;
use runtime::{ImagLogger, Runtime};
use clap::App;
use module::Module;
use module::ModuleError;
use module::CommandEnv;
use module::bm::BMModule;
use storage::Storage;
mod cli;
mod configuration;
@ -28,6 +24,8 @@ mod module;
mod storage;
mod ui;
use module::bm::BM;
fn main() {
let yaml = load_yaml!("../etc/cli.yml");
let app = App::from_yaml(yaml);
@ -44,39 +42,12 @@ fn main() {
debug!("Runtime : {:?}", &rt);
let backend = Storage::new(&rt).unwrap_or_else(|e| {
error!("Error: {}", e);
exit(1);
});
if let Some(matches) = rt.config.cli_matches.subcommand_matches("bm") {
let module = BMModule::new(&rt);
let commands = module.get_commands(&rt);
if let Some(command) = matches.subcommand_name() {
debug!("Subcommand: {}", command);
let cmdenv = CommandEnv {
rt: &rt,
bk: &backend,
matches: matches.subcommand_matches(command).unwrap(),
};
let result = match commands.get(command) {
Some(f) => f(&module, cmdenv),
None => Err(ModuleError::new("No subcommand found")),
};
debug!("Result of command: {:?}", result);
let res = BM::new(&rt).exec(matches);
info!("BM exited with {}", res);
} else {
debug!("No subcommand");
}
module.shutdown(&rt);
} else {
// Err(ModuleError::mk("No commandline call"))
info!("No commandline call...")
}
info!("Hello, world!");
}

189
src/module/bm/commands.rs
View file

@ -1,189 +0,0 @@
use std::vec::IntoIter;
use clap::ArgMatches;
use regex::Regex;
use module::{CommandEnv, CommandResult, Module, ModuleError};
use module::bm::header::{build_header, get_tags_from_header};
use runtime::Runtime;
use storage::StorageError;
use storage::file::File;
use storage::json::parser::JsonHeaderParser;
use storage::parser::Parser;
use ui::file::{FilePrinter, TablePrinter};
pub fn add_command(module: &Module, env: CommandEnv) -> CommandResult {
use url::Url;
use module::helpers::utils::cli::get_tags;
let url = env.matches.value_of("url").unwrap();
if let Err(e) = Url::parse(url) {
info!("Not an URL: '{}'", url);
info!(" this will turn into an hard error before 0.1.0");
debug!("URL parsing error: {:?}", e);
}
let tags = get_tags(env.rt, env.matches);
info!("Adding url '{}' with tags '{:?}'", url, tags);
let header = build_header(&String::from(url), &tags);
let file = File::new_with_header(module, header);
let parser = Parser::new(JsonHeaderParser::new(None));
let putres = env.bk.put_file(file, &parser);
putres.map_err(|sberr| {
let mut err = ModuleError::new("Storage Backend Error");
err.caused_by = Some(Box::new(sberr));
err
})
}
pub fn list_command(module: &Module, env: CommandEnv) -> CommandResult {
let printer = TablePrinter::new(env.rt.is_verbose(), env.rt.is_debugging());
let files = get_filtered_files_from_backend(module, &env);
debug!("Printing files now");
files.map(|f| printer.print_files(f));
Ok(())
}
pub fn remove_command(module: &Module, env: CommandEnv) -> CommandResult {
fn remove_by_id(module: &Module, env: CommandEnv, id: String, checked: bool) -> CommandResult {
let parser = Parser::new(JsonHeaderParser::new(None));
let file = env.bk
.get_file_by_id(module, &id.into(), &parser)
.unwrap_or({
info!("No files found");
return Ok(())
});
debug!("Remove file: {:?}", file);
if let Err(e) = env.bk.remove_file(module, file, checked) {
debug!("Remove failed");
let mut err = ModuleError::new("Removing file failed");
err.caused_by = Some(Box::new(e));
Err(err)
} else {
info!("Remove worked");
Ok(())
}
}
fn remove_by_filtering(module: &Module, env: CommandEnv, checked: bool) -> CommandResult {
get_filtered_files_from_backend(module, &env).and_then(|files| {
let nfiles = files.len();
info!("Removing {} Files", nfiles);
let errs = files.map(|file| {
debug!("Remove file: {:?}", file);
env.bk.remove_file(module, file, checked)
})
.filter(|e| e.is_err())
.map(|e| {
let err = e.err().unwrap();
warn!("Error occured in Filesystem operation: {}", err);
err
})
.collect::<Vec<StorageError>>();
if errs.len() != 0 {
warn!("{} Errors occured while removing {} files", errs.len(), nfiles);
let moderr = ModuleError::new("File removal failed");
// TODO : Collect StorageErrors
Err(moderr)
} else {
Ok(())
}
})
}
let checked : bool = run_removal_checking(&env);
debug!("Checked mode: {}", checked);
if let Some(id) = get_id(env.rt, env.matches) {
debug!("Remove by id: {}", id);
remove_by_id(module, env, id, checked)
} else {
debug!("Remove more than one file");
remove_by_filtering(module, env, checked)
}
}
/*
*
* Private helpers
*
*/
fn get_filtered_files_from_backend<'a>(module: &'a Module,
env: &CommandEnv)
-> Result<IntoIter<File<'a>>, ModuleError>
{
use module::helpers::utils::cli::get_tags;
fn check_tags(tags: &Vec<String>, file: &File) -> bool {
if tags.len() != 0 {
debug!("Checking tags of: {:?}", file.id());
get_tags_from_header(&file.header())
.iter()
.any(|t| tags.contains(t))
} else {
true
}
}
let parser = Parser::new(JsonHeaderParser::new(None));
let tags = get_tags(env.rt, env.matches);
debug!("Tags: {:?}", tags);
env.bk
.iter_files(module, &parser)
.map(|files| {
files.filter(|file| {
debug!("Backend returns file: {:?}", file);
check_tags(&tags, file)
}).filter(|file| {
debug!("Checking matches of: {:?}", file.id());
get_matcher(env.rt, env.matches)
.map(|r| file.matches_with(&r))
.unwrap_or(true)
})
.collect::<Vec<File>>()
.into_iter()
}).map_err(|e| {
debug!("Error from Backend: {:?}", e);
let mut merr = ModuleError::new("Could not filter files");
merr.caused_by = Some(Box::new(e));
merr
})
}
fn get_matcher<'a>(rt: &Runtime, sub: &ArgMatches<'a, 'a>) -> Option<Regex> {
debug!("Fetching matcher from commandline");
if let Some(s) = sub.value_of("match") {
if let Ok(r) = Regex::new(s) {
return Some(r)
} else {
error!("Regex error, continuing without regex");
}
}
None
}
fn get_id<'a>(rt: &Runtime, sub: &ArgMatches<'a, 'a>) -> Option<String> {
debug!("Fetching id from commandline");
sub.value_of("id").and_then(|s| Some(String::from(s)))
}
/*
* Checks whether the commandline call was set to run the removal "checked",
* so if another entry from the store refers to this ID, do not remove the file.
*/
fn run_removal_checking(env: &CommandEnv) -> bool {
env.matches.is_present("check")
}

12
src/module/bm/header.rs
View file

@ -4,12 +4,14 @@ use storage::file::header::spec::FileHeaderSpec as FHS;
pub fn get_spec() -> FHS {
FHS::Map {
keys: vec![ headerhelpers::tags::spec::url_key(),
headerhelpers::tags::spec::tags_key() ]
keys: vec![
headerhelpers::tags::spec::url_key(),
headerhelpers::tags::spec::tags_key(),
]
}
}
pub fn build_header(url: &String, tags: &Vec<String>) -> FHD {
pub fn build_header(url: String, tags: Vec<String>) -> FHD {
FHD::Map {
keys: vec![
FHD::Key {
@ -28,3 +30,7 @@ pub fn get_tags_from_header(header: &FHD) -> Vec<String> {
headerhelpers::tags::data::get_tags_from_header(header)
}
pub fn get_url_from_header(header: &FHD) -> Option<String> {
headerhelpers::data::get_url_from_header(header)
}

232
src/module/bm/mod.rs
View file

@ -1,57 +1,223 @@
mod header;
mod commands;
use std::fmt::{Debug, Display, Formatter};
use std::fmt;
use std::fmt::{Debug, Formatter};
use std::fmt::Result as FMTResult;
use clap::ArgMatches;
use module::{CommandMap, Module, ModuleResult};
use runtime::Runtime;
use self::commands::*;
use module::Module;
pub struct BMModule {
path: Option<String>,
use storage::file::hash::FileHash;
use storage::file::id::FileID;
use storage::parser::FileHeaderParser;
use storage::parser::Parser;
use storage::json::parser::JsonHeaderParser;
mod header;
pub struct BM<'a> {
rt: &'a Runtime<'a>,
}
const CALLNAMES : &'static [&'static str] = &[ "bm", "bookmark" ];
impl<'a> BM<'a> {
impl BMModule {
pub fn new(rt : &Runtime) -> BMModule {
BMModule {
path: None
pub fn new(rt: &'a Runtime<'a>) -> BM<'a> {
BM {
rt: rt,
}
}
fn runtime(&self) -> &Runtime {
&self.rt
}
fn command_add(&self, matches: &ArgMatches) -> bool {
use self::header::build_header;
let parser = Parser::new(JsonHeaderParser::new(None));
let url = matches.value_of("url").map(String::from).unwrap(); // clap ensures this is present
let tags = matches.value_of("tags").and_then(|s| {
Some(s.split(",").map(String::from).collect())
}).unwrap_or(vec![]);
debug!("Building header with");
debug!(" url = '{:?}'", url);
debug!(" tags = '{:?}'", tags);
let header = build_header(url, tags);
let fileid = self.rt.store().new_file_with_header(self, header);
self.rt.store().load(&fileid).and_then(|file| {
info!("Created file in memory: {}", fileid);
Some(self.rt.store().persist(&parser, file))
}).unwrap_or(false)
}
fn command_list(&self, matches: &ArgMatches) -> bool {
use ui::file::{FilePrinter, TablePrinter};
use self::header::get_url_from_header;
use self::header::get_tags_from_header;
use std::ops::Deref;
let parser = Parser::new(JsonHeaderParser::new(None));
let files = self.rt.store().load_for_module(self, &parser);
let printer = TablePrinter::new(self.rt.is_verbose(), self.rt.is_debugging());
printer.print_files_custom(files.into_iter(),
&|file| {
let fl = file.deref().borrow();
let hdr = fl.header();
let url = get_url_from_header(hdr).unwrap_or(String::from("Parser error"));
let tags = get_tags_from_header(hdr);
debug!("Custom printer field: url = '{:?}'", url);
debug!("Custom printer field: tags = '{:?}'", tags);
vec![url, tags.join(", ")]
}
);
true
}
fn command_remove(&self, matches: &ArgMatches) -> bool {
use std::process::exit;
let result =
if matches.is_present("id") {
debug!("Removing by ID (Hash)");
let hash = FileHash::from(matches.value_of("id").unwrap());
self.remove_by_hash(hash)
} else if matches.is_present("tags") {
debug!("Removing by tags");
let tags = matches.value_of("tags")
.unwrap()
.split(",")
.map(String::from)
.collect::<Vec<String>>();
self.remove_by_tags(tags)
} else if matches.is_present("match") {
debug!("Removing by match");
self.remove_by_match(String::from(matches.value_of("match").unwrap()))
} else {
error!("Unexpected error. Exiting");
exit(1);
false
};
if result {
info!("Removing succeeded");
} else {
info!("Removing failed");
}
return result;
}
fn remove_by_hash(&self, hash: FileHash) -> bool {
use std::ops::Deref;
debug!("Removing for hash = '{:?}'", hash);
let parser = Parser::new(JsonHeaderParser::new(None));
let file = self.rt.store().load_by_hash(self, &parser, hash);
debug!("file = {:?}", file);
file.map(|file| {
debug!("File loaded, can remove now: {:?}", file);
let f = file.deref().borrow();
self.rt.store().remove(f.id().clone())
}).unwrap_or(false)
}
fn remove_by_tags(&self, tags: Vec<String>) -> bool {
use std::fs::remove_file;
use std::ops::Deref;
use self::header::get_tags_from_header;
let parser = Parser::new(JsonHeaderParser::new(None));
self.rt
.store()
.load_for_module(self, &parser)
.iter()
.filter(|file| {
let f = file.deref().borrow();
get_tags_from_header(f.header()).iter().any(|tag| {
tags.iter().any(|remtag| remtag == tag)
})
}).map(|file| {
let f = file.deref().borrow();
self.rt.store().remove(f.id().clone())
}).all(|x| x)
}
fn remove_by_match(&self, matcher: String) -> bool {
use self::header::get_url_from_header;
use std::fs::remove_file;
use std::ops::Deref;
use std::process::exit;
use regex::Regex;
let re = Regex::new(&matcher[..]).unwrap_or_else(|e| {
error!("Cannot build regex out of '{}'", matcher);
error!("{}", e);
exit(1);
});
debug!("Compiled '{}' to regex: '{:?}'", matcher, re);
let parser = Parser::new(JsonHeaderParser::new(None));
self.rt
.store()
.load_for_module(self, &parser)
.iter()
.filter(|file| {
let f = file.deref().borrow();
let url = get_url_from_header(f.header());
debug!("url = {:?}", url);
url.map(|u| {
debug!("Matching '{}' ~= '{}'", re.as_str(), u);
re.is_match(&u[..])
}).unwrap_or(false)
}).map(|file| {
let f = file.deref().borrow();
self.rt.store().remove(f.id().clone())
}).all(|x| x)
}
}
impl Module for BMModule {
impl<'a> Module<'a> for BM<'a> {
fn callnames(&self) -> &'static [&'static str] {
CALLNAMES
fn exec(&self, matches: &ArgMatches) -> bool {
match matches.subcommand_name() {
Some("add") => {
self.command_add(matches.subcommand_matches("add").unwrap())
},
Some("list") => {
self.command_list(matches.subcommand_matches("list").unwrap())
},
Some("remove") => {
self.command_remove(matches.subcommand_matches("remove").unwrap())
},
Some(_) | None => {
info!("No command given, doing nothing");
false
},
}
}
fn name(&self) -> &'static str{
fn name(&self) -> &'static str {
"bookmark"
}
fn shutdown(&self, rt : &Runtime) -> ModuleResult {
Ok(())
}
fn get_commands(&self, rt: &Runtime) -> CommandMap {
let mut hm = CommandMap::new();
hm.insert("add", add_command);
hm.insert("list", list_command);
hm.insert("remove", remove_command);
hm
}
}
impl Debug for BMModule {
impl<'a> Debug for BM<'a> {
fn fmt(&self, fmt: &mut Formatter) -> FMTResult {
write!(fmt, "[Module][BM]");
fn fmt(&self, fmt: &mut Formatter) -> fmt::Result {
write!(fmt, "BM");
Ok(())
}
}

40
src/module/helpers/header/mod.rs
View file

@ -4,3 +4,43 @@
pub mod tags;
pub mod data {
use std::ops::Deref;
use storage::file::header::data::FileHeaderData as FHD;
pub fn get_url_from_header(header: &FHD) -> Option<String> {
match header {
&FHD::Map{keys: ref ks} => {
let mut keys : Vec<FHD> = ks.clone();
keys.iter().find(|k| {
match k.deref() {
&FHD::Key{name: ref n, value: ref v} => n == "URL",
_ => false
}
}).and_then(|urlkey| {
match urlkey.deref().clone() {
FHD::Key{name: _, value: ref v} => {
match v.deref().clone() {
FHD::Text(s) => Some(s),
_ => {
warn!("Malformed Header Data: Expected Text, found non-Text");
None
},
}
}
_ => {
warn!("Malformed Header Data: Expected Text, found non-Text");
None
},
}
})
},
_ => {
warn!("Malformed Header Data: Expected Map, found non-Map");
None
}
}
}
}

3
src/module/helpers/header/tags.rs
View file

@ -20,7 +20,7 @@ pub mod data {
use std::ops::Deref;
use storage::file::header::data::FileHeaderData as FHD;
pub fn build_tag_array(tags: &Vec<String>) -> FHD {
pub fn build_tag_array(tags: Vec<String>) -> FHD {
let texttags = tags.into_iter().map(|t| FHD::Text(t.clone())).collect();
FHD::Array { values: Box::new(texttags) }
}
@ -63,6 +63,5 @@ pub mod data {
tags
}
}

53
src/module/mod.rs
View file

@ -7,61 +7,12 @@ use std::result::Result;
use clap::ArgMatches;
use runtime::Runtime;
use storage::Storage;
pub mod bm;
pub mod helpers;
#[derive(Debug)]
pub struct ModuleError {
desc: String,
caused_by: Option<Box<Error>>,
}
impl ModuleError {
pub fn new(desc: &'static str) -> ModuleError {
ModuleError {
desc: desc.to_owned().to_string(),
caused_by: None,
}
}
}
impl Error for ModuleError {
fn description(&self) -> &str {
&self.desc[..]
}
fn cause(&self) -> Option<&Error> {
self.caused_by.as_ref().map(|e| &**e)
}
}
impl Display for ModuleError {
fn fmt(&self, f: &mut Formatter) -> FMTResult {
write!(f, "ModuleError: {}", self.description())
}
}
pub struct CommandEnv<'a> {
pub rt: &'a Runtime<'a>,
pub bk: &'a Storage,
pub matches: &'a ArgMatches<'a, 'a>,
}
pub type ModuleResult = Result<(), ModuleError>;
pub type CommandResult = ModuleResult;
pub type CommandMap<'a> = HashMap<&'a str, fn(&Module, CommandEnv) -> CommandResult>;
pub trait Module : Debug {
fn callnames(&self) -> &'static [&'static str];
pub trait Module<'a> : Debug {
fn exec(&self, matches: &ArgMatches) -> bool;
fn name(&self) -> &'static str;
fn shutdown(&self, rt : &Runtime) -> ModuleResult;
fn get_commands(&self, rt: &Runtime) -> CommandMap;
}

9
src/runtime.rs
View file

@ -6,6 +6,8 @@ use log::{LogRecord, LogLevel, LogLevelFilter, LogMetadata, SetLoggerError};
pub use cli::CliConfig;
pub use configuration::Configuration as Cfg;
use storage::Store;
pub struct ImagLogger {
lvl: LogLevel,
}
@ -52,14 +54,17 @@ impl log::Log for ImagLogger {
pub struct Runtime<'a> {
pub config : CliConfig<'a>,
pub configuration : Cfg,
pub store : Store,
}
impl<'a> Runtime<'a> {
pub fn new(cfg: Cfg, config : CliConfig<'a>) -> Runtime<'a> {
let sp = config.store_path().unwrap_or(cfg.store_path());
Runtime {
config: config,
configuration: cfg,
store: Store::new(sp),
}
}
@ -75,6 +80,10 @@ impl<'a> Runtime<'a> {
self.config.store_path().unwrap_or(self.configuration.store_path())
}
pub fn store(&self) -> &Store {
&self.store
}
pub fn get_rtp(&self) -> String {
if let Some(rtp) = self.config.get_rtp() {
rtp

63
src/storage/file/hash.rs Normal file
View file

@ -0,0 +1,63 @@
use std::convert::{From, Into};
use std::error::Error;
use std::fmt::{Debug, Display, Formatter};
use std::fmt;
use std::hash::Hash;
use uuid::Uuid;
#[derive(Clone)]
#[derive(Debug)]
#[derive(PartialEq)]
#[derive(Eq)]
#[derive(Hash)]
pub struct FileHash {
hash: String,
}
impl From<String> for FileHash {
fn from(s: String) -> FileHash {
FileHash { hash: s }
}
}
impl<'a> From<&'a String> for FileHash {
fn from(s: &'a String) -> FileHash {
FileHash::from(s.clone())
}
}
impl From<Uuid> for FileHash {
fn from(u: Uuid) -> FileHash {
FileHash::from(u.to_hyphenated_string())
}
}
impl<'a> From<&'a str> for FileHash {
fn from(s: &str) -> FileHash {
FileHash::from(String::from(s))
}
}
impl Into<String> for FileHash {
fn into(self) -> String {
self.hash
}
}
impl Display for FileHash {
fn fmt(&self, fmt: &mut Formatter) -> fmt::Result {
write!(fmt, "{}", self.hash);
Ok(())
}
}

234
src/storage/file/id.rs
View file

@ -2,80 +2,81 @@ use std::convert::{From, Into};
use std::error::Error;
use std::fmt::{Debug, Display, Formatter};
use std::fmt;
use std::hash::Hash;
use std::path::PathBuf;
use std::result::Result;
use std::str::FromStr;
use regex::Regex;
#[derive(Debug)]
use storage::file::id_type::FileIDType;
use storage::file::hash::FileHash;
#[derive(Clone)]
#[derive(PartialEq)]
#[derive(Hash)]
#[derive(Eq)]
// #[derive(Display)]
pub enum FileIDType {
NONE,
UUID,
}
impl Into<String> for FileIDType {
fn into(self) -> String {
let s = match self {
FileIDType::UUID => "UUID",
FileIDType::NONE => "",
};
String::from(s)
}
}
impl<'a> From<&'a str> for FileIDType {
fn from(s: &'a str) -> FileIDType {
match s {
"UUID" => FileIDType::UUID,
_ => FileIDType::NONE,
}
}
}
impl From<String> for FileIDType {
fn from(s: String) -> FileIDType {
FileIDType::from(&s[..])
}
}
#[derive(Clone)]
#[derive(PartialEq)]
pub struct FileID {
id: Option<String>,
id: FileHash,
id_type: FileIDType,
}
impl FileID {
pub fn new(id_type: FileIDType, id: String) -> FileID {
pub fn new(id_type: FileIDType, id: FileHash) -> FileID {
FileID {
id: Some(id),
id: id,
id_type: id_type,
}
}
pub fn is_valid(&self) -> bool {
self.id.is_some()
}
pub fn get_type(&self) -> FileIDType {
self.id_type.clone()
}
pub fn get_id(&self) -> Option<String> {
pub fn get_id(&self) -> FileHash {
self.id.clone()
}
pub fn parse(string: &String) -> Option<FileID> {
// we assume that it is an path
let regex = Regex::new(r"([:alnum:]*)-([:upper:]*)-([A-Za-z0-9-_]*)\.(.*)").unwrap();
let s = string.split("/").last().unwrap_or("");
debug!("Regex build: {:?}", regex);
debug!("Matching string: '{}'", s);
regex.captures(s).and_then(|capts| {
// first one is the whole string, index 1-N are the matches.
if capts.len() != 5 {
debug!("Matches, but not expected number of groups");
return None;
}
debug!("Matches: {}", capts.len());
let modname = capts.at(1).unwrap();
let hashname = capts.at(2).unwrap();
let mut hash = capts.at(3).unwrap();
debug!("Destructure FilePath to ID:");
debug!(" FilePath: {:?}", s);
debug!(" Module Name: {:?}", modname);
debug!(" Hash Name: {:?}", hashname);
debug!(" Hash: {:?}", hash);
FileIDType::from_str(hashname).map(|idtype| {
debug!("ID type = {:?}", idtype);
Some(FileID {
id: FileHash::from(hash),
id_type: idtype,
})
}).ok()
}).unwrap_or({
debug!("Did not match");
debug!("It is no path, actually. So we assume it is an ID already");
None
})
}
}
impl Debug for FileID {
@ -103,141 +104,12 @@ impl Display for FileID {
impl Into<String> for FileID {
fn into(self) -> String {
if let Some(id) = self.id {
id.clone()
} else {
String::from("INVALID")
}
}
}
impl Into<FileIDType> for FileID {
fn into(self) -> FileIDType {
self.id_type.clone()
let typestr : String = self.id_type.into();
let idstr : String = self.id.into();
typestr + "-" + &idstr[..]
}
}
impl From<String> for FileID {
fn from(s: String) -> FileID {
FileID::from(&s)
}
}
impl<'a> From<&'a String> for FileID {
fn from(string: &'a String) -> FileID {
// we assume that it is an path
let regex = Regex::new(r"([:alnum:]*)-([:upper:]*)-([A-Za-z0-9-_]*)\.(.*)").unwrap();
let s = string.split("/").last().unwrap_or("");
debug!("Regex build: {:?}", regex);
debug!("Matching string: '{}'", s);
regex.captures(s).and_then(|capts| {
// first one is the whole string, index 1-N are the matches.
if capts.len() != 5 {
debug!("Matches, but not expected number of groups");
return None;
}
debug!("Matches: {}", capts.len());
let modname = capts.at(1).unwrap();
let hashname = capts.at(2).unwrap();
let mut hash = capts.at(3).unwrap();
debug!("Destructure FilePath to ID:");
debug!(" FilePath: {:?}", s);
debug!(" Module Name: {:?}", modname);
debug!(" Hash Name: {:?}", hashname);
debug!(" Hash: {:?}", hash);
let idtype = FileIDType::from(hashname);
match idtype {
FileIDType::NONE => hash = "INVALID",
_ => {},
}
Some(FileID::new(idtype, String::from(hash)))
}).unwrap_or({
debug!("Did not match");
debug!("It is no path, actually. So we assume it is an ID already");
FileID {
id_type: FileIDType::NONE,
id: Some(string.clone()),
}
})
}
}
impl From<PathBuf> for FileID {
fn from(s: PathBuf) -> FileID {
unimplemented!()
}
}
impl<'a> From<&'a PathBuf> for FileID {
fn from(pb: &'a PathBuf) -> FileID {
let s = pb.to_str().unwrap_or("");
FileID::from(String::from(s))
}
}
pub struct FileIDError {
summary: String,
descrip: String,
}
impl FileIDError {
pub fn new(s: String, d: String) -> FileIDError {
FileIDError {
summary: s,
descrip: d,
}
}
}
impl<'a> Error for FileIDError {
fn description(&self) -> &str {
&self.summary[..]
}
fn cause(&self) -> Option<&Error> {
None
}
}
impl<'a> Debug for FileIDError {
fn fmt(&self, fmt: &mut Formatter) -> fmt::Result {
write!(fmt, "FileIDError: '{}'\n{}", self.summary, self.descrip);
Ok(())
}
}
impl<'a> Display for FileIDError {
fn fmt(&self, fmt: &mut Formatter) -> fmt::Result {
write!(fmt, "FileIDError: '{}'", self.summary);
Ok(())
}
}
pub type FileIDResult = Result<FileID, FileIDError>;
#[cfg(test)]
mod test {

38
src/storage/file/id_type.rs Normal file
View file

@ -0,0 +1,38 @@
use std::convert::{From, Into};
use std::error::Error;
use std::str::FromStr;
use std::hash::Hash;
#[derive(Debug)]
#[derive(Clone)]
#[derive(PartialEq)]
#[derive(Eq)]
// #[derive(Display)]
#[derive(Hash)]
pub enum FileIDType {
UUID,
}
pub enum FileIDTypeParseError {
UnknownType
}
impl FromStr for FileIDType {
type Err = FileIDTypeParseError;
fn from_str(s: &str) -> Result<Self, Self::Err> {
match s {
"UUID" => Ok(FileIDType::UUID),
_ => Err(FileIDTypeParseError::UnknownType)
}
}
}
impl Into<String> for FileIDType {
fn into(self) -> String {
match self {
FileIDType::UUID => String::from("UUID"),
}
}
}

106
src/storage/file/mod.rs
View file

@ -5,10 +5,15 @@ use std::fmt;
use regex::Regex;
pub mod id;
pub mod id_type;
pub mod header;
pub mod hash;
use module::Module;
use storage::file::id::*;
use storage::file::id_type::FileIDType;
use storage::file::hash::FileHash;
use super::parser::{FileHeaderParser, Parser, ParserError};
use self::header::spec::*;
@ -18,101 +23,42 @@ use self::header::data::*;
* Internal abstract view on a file. Does not exist on the FS and is just kept
* internally until it is written to disk.
*/
pub struct File<'a> {
owning_module : &'a Module,
header : FileHeaderData,
data : String,
id : FileID,
pub struct File {
pub owning_module_name : &'static str,
pub header : FileHeaderData,
pub data : String,
pub id : FileID,
}
impl<'a> File<'a> {
impl File {
pub fn new(module: &'a Module) -> File<'a> {
let f = File {
owning_module: module,
header: FileHeaderData::Null,
data: String::from(""),
id: File::get_new_file_id(),
};
debug!("Create new File object: {:?}", f);
f
pub fn owner_name(&self) -> &'static str {
self.owning_module_name
}
pub fn from_parser_result(module: &Module, id: FileID, header: FileHeaderData, data: String) -> File {
let f = File {
owning_module: module,
header: header,
data: data,
id: id,
};
debug!("Create new File object from parser result: {:?}", f);
f
pub fn header(&self) -> &FileHeaderData {
&self.header
}
pub fn new_with_header(module: &Module, h: FileHeaderData) -> File {
let f = File {
owning_module: module,
header: h,
data: String::from(""),
id: File::get_new_file_id(),
};
debug!("Create new File object with header: {:?}", f);
f
pub fn data(&self) -> &String {
&self.data
}
pub fn new_with_data(module: &Module, d: String) -> File {
let f = File {
owning_module: module,
header: FileHeaderData::Null,
data: d,
id: File::get_new_file_id(),
};
debug!("Create new File object with data: {:?}", f);
f
}
pub fn new_with_content(module: &Module, h: FileHeaderData, d: String) -> File {
let f = File {
owning_module: module,
header: h,
data: d,
id: File::get_new_file_id(),
};
debug!("Create new File object with content: {:?}", f);
f
}
pub fn header(&self) -> FileHeaderData {
self.header.clone()
}
pub fn data(&self) -> String {
self.data.clone()
}
pub fn contents(&self) -> (FileHeaderData, String) {
pub fn contents(&self) -> (&FileHeaderData, &String) {
(self.header(), self.data())
}
pub fn id(&self) -> FileID {
self.id.clone()
}
pub fn owner(&self) -> &Module {
self.owning_module
pub fn id(&self) -> &FileID {
&self.id
}
pub fn matches_with(&self, r: &Regex) -> bool {
r.is_match(&self.data[..]) || self.header.matches_with(r)
}
fn get_new_file_id() -> FileID {
use uuid::Uuid;
FileID::new(FileIDType::UUID, Uuid::new_v4().to_hyphenated_string())
}
}
impl<'a> Display for File<'a> {
impl Display for File {
fn fmt(&self, fmt: &mut Formatter) -> fmt::Result {
write!(fmt,
@ -120,7 +66,7 @@ impl<'a> Display for File<'a> {
FileID: '{:?}'
Header: '{:?}'
Data : '{:?}'",
self.owning_module,
self.owning_module_name,
self.header,
self.data,
self.id);
@ -129,7 +75,7 @@ impl<'a> Display for File<'a> {
}
impl<'a> Debug for File<'a> {
impl Debug for File {
fn fmt(&self, fmt: &mut Formatter) -> fmt::Result {
write!(fmt,
@ -137,10 +83,10 @@ impl<'a> Debug for File<'a> {
FileID: '{:?}'
Header: '{:?}'
Data : '{:?}'",
self.owning_module,
self.owning_module_name,
self.id,
self.header,
self.data,
self.id);
self.data);
Ok(())
}

509
src/storage/mod.rs
View file

@ -1,324 +1,285 @@
use std::error::Error;
use std::fmt::Result as FMTResult;
use std::fmt::{Display, Formatter};
use std::rc::Rc;
use std::cell::RefCell;
use std::collections::HashMap;
use std::fs::File as FSFile;
use std::fs::{create_dir_all, remove_file};
use std::io::{Read, Write};
use std::path::Path;
use std::vec::{Vec, IntoIter};
use std::ops::Deref;
use std::io::Write;
use std::io::Read;
pub mod path;
pub mod file;
pub mod parser;
pub mod json;
use glob::glob;
use glob::Paths;
use module::Module;
use runtime::Runtime;
use storage::file::File;
use storage::file::id::*;
use storage::parser::{FileHeaderParser, Parser};
use storage::file::id::FileID;
use storage::file::id_type::FileIDType;
use storage::file::hash::FileHash;
use storage::parser::{FileHeaderParser, Parser, ParserError};
use storage::file::header::data::FileHeaderData;
pub type BackendOperationResult<T = ()> = Result<T, StorageError>;
type Cache = HashMap<FileID, Rc<RefCell<File>>>;
pub struct Storage {
basepath: String,
pub struct Store {
storepath: String,
cache : RefCell<Cache>,
}
impl Storage {
impl Store {
pub fn new(rt: &Runtime) -> BackendOperationResult<Storage> {
use self::StorageError as SBE;
let storepath = rt.get_rtp() + "/store/";
debug!("Trying to create {}", storepath);
create_dir_all(&storepath).and_then(|_| {
debug!("Creating succeeded, constructing backend instance");
Ok(Storage {
basepath: rt.get_rtp(),
storepath: storepath.clone(),
})
}).or_else(|e| {
debug!("Creating failed, constructing error instance");
Err(SBE::new("create_dir_all()", "Could not create store directories",
Some(storepath), Some(Box::new(e))))
})
pub fn new(storepath: String) -> Store {
Store {
storepath: storepath,
cache: RefCell::new(HashMap::new()),
}
}
pub fn iter_ids(&self, m: &Module) -> Result<IntoIter<FileID>, StorageError>
{
use self::StorageError as SBE;
let globstr = self.prefix_of_files_for_module(m) + "*.imag";
debug!("Globstring = {}", globstr);
glob(&globstr[..])
.and_then(|globlist| {
debug!("Iterating over globlist");
Ok(globlist_to_file_id_vec(globlist).into_iter())
})
.map_err(|e| {
debug!("glob() returned error: {:?}", e);
SBE::new("iter_ids()", "Cannot iter on file ids", None, None)
})
fn put_in_cache(&self, f: File) -> FileID {
let res = f.id().clone();
self.cache.borrow_mut().insert(f.id().clone(), Rc::new(RefCell::new(f)));
res
}
pub fn iter_files<'a, HP>(&self, m: &'a Module, p: &Parser<HP>)
-> Result<IntoIter<File<'a>>, StorageError>
pub fn load_in_cache<HP>(&self, m: &Module, parser: &Parser<HP>, id: FileID)
-> Option<Rc<RefCell<File>>>
where HP: FileHeaderParser
{
use self::StorageError as SBE;
self.iter_ids(m)
.and_then(|ids| {
debug!("Iterating ids and building files from them");
debug!(" number of ids = {}", ids.len());
Ok(self.filter_map_ids_to_files(m, p, ids).into_iter())
})
.map_err(|e| {
debug!("Storage::iter_ids() returned error = {:?}", e);
SBE::new("iter_files()", "Cannot iter on files", None,
Some(Box::new(e)))
})
}
/*
* Write a file to disk.
*
* The file is moved to this function as the file won't be edited afterwards
*/
pub fn put_file<HP>(&self, f: File, p: &Parser<HP>) -> BackendOperationResult
where HP: FileHeaderParser
{
use self::StorageError as SBE;
let written = write_with_parser(&f, p);
if written.is_err() { return Err(written.err().unwrap()); }
let string = written.unwrap();
let path = self.build_filepath(&f);
debug!("Writing file: {}", path);
debug!(" string: {}", string);
FSFile::create(&path).map(|mut file| {
debug!("Created file at '{}'", path);
file.write_all(&string.clone().into_bytes())
.map_err(|ioerr| {
debug!("Could not write file");
SBE::new("File::write_all()",
"Could not write out File contents",
None, Some(Box::new(ioerr)))
})
}).map_err(|writeerr| {
debug!("Could not create file at '{}'", path);
SBE::new("File::create()", "Creating file on disk failed", None,
Some(Box::new(writeerr)))
}).and(Ok(()))
}
/*
* Update a file. We have the UUID and can find the file on FS with it and
* then replace its contents with the contents of the passed file object
*/
pub fn update_file<HP>(&self, f: File, p: &Parser<HP>) -> BackendOperationResult
where HP: FileHeaderParser
{
use self::StorageError as SBE;
let contents = write_with_parser(&f, p);
if contents.is_err() { return Err(contents.err().unwrap()); }
let string = contents.unwrap();
let path = self.build_filepath(&f);
debug!("Writing file: {}", path);
debug!(" string: {}", string);
let idstr : String = id.clone().into();
let path = format!("{}/{}-{}.imag", self.storepath, m.name(), idstr);
debug!("Loading path = '{}'", path);
let mut string = String::new();
FSFile::open(&path).map(|mut file| {
debug!("Open file at '{}'", path);
file.write_all(&string.clone().into_bytes())
.map_err(|ioerr| {
debug!("Could not write file");
SBE::new("File::write()",
"Tried to write contents of this file, though operation did not succeed",
Some(string), Some(Box::new(ioerr)))
})
}).map_err(|writeerr| {
debug!("Could not write file at '{}'", path);
SBE::new("File::open()",
"Tried to update contents of this file, though file doesn't exist",
None, Some(Box::new(writeerr)))
}).and(Ok(()))
file.read_to_string(&mut string)
.map_err(|e| error!("Failed reading file: '{}'", path));
});
parser.read(string).map(|(header, data)| {
self.new_file_from_parser_result(m, id.clone(), header, data);
});
self.load(&id)
}
/*
* Find a file by its ID and return it if found. Return nothing if not
* found, of course.
*
* TODO: Needs refactoring, as there might be an error when reading from
* disk OR the id just does not exist.
*/
pub fn get_file_by_id<'a, HP>(&self, m: &'a Module, id: &FileID, p: &Parser<HP>) -> Option<File<'a>>
where HP: FileHeaderParser
pub fn new_file(&self, module: &Module)
-> FileID
{
debug!("Searching for file with id '{}'", id);
let f = File {
owning_module_name: module.name(),
header: FileHeaderData::Null,
data: String::from(""),
id: self.get_new_file_id(),
};
if id.get_type() == FileIDType::NONE {
// We don't know the hash type, so we glob() around a bit.
debug!("Having FileIDType::NONE, so we glob() for the raw ID");
let id_str = id.get_id().unwrap_or(String::from("INVALID"));
let globstr = self.prefix_of_files_for_module(m) + "*" + &id_str[..] + ".imag";
debug!("Globbing with globstr = '{}'", globstr);
glob(&globstr[..]).map(|globlist| {
let idvec = globlist_to_file_id_vec(globlist).into_iter();
let mut vec = self.filter_map_ids_to_files(m, p, idvec);
vec.reverse();
vec.pop()
}).unwrap_or({
debug!("No glob matches, actually. We can't do anything at this point");
None
})
} else {
// The (hash)type is already in the FileID object, so we can just
// build a path from the information we already have
debug!("We know FileIDType, so we build the path directly now");
let filepath = self.build_filepath_with_id(m, id.clone());
if let Ok(mut fs) = FSFile::open(filepath) {
let mut s = String::new();
fs.read_to_string(&mut s);
debug!("Success opening file with id '{}'", id);
debug!("Parsing to internal structure now");
p.read(s).and_then(|(h, d)| {
Ok(File::from_parser_result(m, id.clone(), h, d))
}).ok()
} else {
debug!("No file with id '{}'", id);
None
}
}
debug!("Create new File object: {:?}", &f);
self.put_in_cache(f)
}
pub fn remove_file(&self, m: &Module, file: File, checked: bool) -> BackendOperationResult {
use self::StorageError as SBE;
if checked {
error!("Checked remove not implemented yet. I will crash now");
unimplemented!()
pub fn new_file_from_parser_result(&self,
module: &Module,
id: FileID,
header: FileHeaderData,
data: String)
-> FileID
{
let f = File {
owning_module_name: module.name(),
header: header,
data: data,
id: id,
};
debug!("Create new File object from parser result: {:?}", f);
self.put_in_cache(f)
}
debug!("Doing unchecked remove");
info!("Going to remove file: {}", file);
let fp = self.build_filepath(&file);
remove_file(fp).map_err(|e| {
SBE::new("remove_file()", "File removal failed",
Some(format!("{}", file)), Some(Box::new(e)))
})
pub fn new_file_with_header(&self,
module: &Module,
h: FileHeaderData)
-> FileID
{
let f = File {
owning_module_name: module.name(),
header: h,
data: String::from(""),
id: self.get_new_file_id(),
};
debug!("Create new File object with header: {:?}", f);
self.put_in_cache(f)
}
fn build_filepath(&self, f: &File) -> String {
self.build_filepath_with_id(f.owner(), f.id())
pub fn new_file_with_data(&self, module: &Module, d: String)
-> FileID
{
let f = File {
owning_module_name: module.name(),
header: FileHeaderData::Null,
data: d,
id: self.get_new_file_id(),
};
debug!("Create new File object with data: {:?}", f);
self.put_in_cache(f)
}
fn build_filepath_with_id(&self, owner: &Module, id: FileID) -> String {
let idstr : String = id.clone().into();
let idtype : FileIDType = id.into();
let typestr : String = idtype.into();
debug!("Building filepath with id");
debug!(" basepath: '{}'", self.basepath);
debug!(" storepath: '{}'", self.storepath);
debug!(" id: '{}'", idstr);
debug!(" type: '{}'", typestr);
self.prefix_of_files_for_module(owner) +
"-" + &typestr[..] +
"-" + &idstr[..] +
".imag"
pub fn new_file_with_content(&self,
module: &Module,
h: FileHeaderData,
d: String)
-> FileID
{
let f = File {
owning_module_name: module.name(),
header: h,
data: d,
id: self.get_new_file_id(),
};
debug!("Create new File object with content: {:?}", f);
self.put_in_cache(f)
}
fn prefix_of_files_for_module(&self, m: &Module) -> String {
self.storepath.clone() + m.name()
}
fn filter_map_ids_to_files<'a, HP>(&self,
m: &'a Module,
pub fn persist<HP>(&self,
p: &Parser<HP>,
ids: IntoIter<FileID>)
-> Vec<File<'a>>
f: Rc<RefCell<File>>) -> bool
where HP: FileHeaderParser
{
ids.filter_map(|id| self.get_file_by_id(m, &id, p))
.collect::<Vec<File>>()
let file = f.deref().borrow();
let text = p.write(file.contents());
if text.is_err() {
error!("Error: {}", text.err().unwrap());
return false;
}
}
let path = {
let ids : String = file.id().clone().into();
format!("{}/{}-{}.imag", self.storepath, file.owning_module_name, ids)
};
#[derive(Debug)]
pub struct StorageError {
pub action: String, // The file system action in words
pub desc: String, // A short description
pub data_dump: Option<String>, // Data dump, if any
pub caused_by: Option<Box<Error>>, // caused from this error
}
self.ensure_store_path_exists();
impl StorageError {
fn new<S>(action: S,
desc: S,
data: Option<String>,
cause: Option<Box<Error>>)
-> StorageError
where S: Into<String>
{
StorageError {
action: action.into(),
desc: desc.into(),
data_dump: data,
caused_by: None,
}
FSFile::create(&path).map(|mut fsfile| {
fsfile.write_all(&text.unwrap().clone().into_bytes()[..])
}).map_err(|writeerr| {
debug!("Could not create file at '{}'", path);
}).and(Ok(true)).unwrap()
}
}
fn ensure_store_path_exists(&self) {
use std::fs::create_dir_all;
use std::process::exit;
impl Error for StorageError {
fn description(&self) -> &str {
&self.desc[..]
}
fn cause(&self) -> Option<&Error> {
self.caused_by.as_ref().map(|e| &**e)
}
}
impl<'a> Display for StorageError {
fn fmt(&self, f: &mut Formatter) -> FMTResult {
write!(f, "StorageError[{}]: {}",
self.action, self.desc)
}
}
fn write_with_parser<'a, HP>(f: &File, p: &Parser<HP>) -> Result<String, StorageError>
where HP: FileHeaderParser
{
use self::StorageError as SBE;
p.write(f.contents())
.or_else(|err| {
Err(SBE::new("Parser::write()",
"Cannot translate internal representation of file contents into on-disk representation",
None, Some(Box::new(err))))
create_dir_all(&self.storepath).unwrap_or_else(|e| {
error!("Could not create store: '{}'", self.storepath);
error!("Error : '{}'", e);
error!("Killing myself now");
exit(1);
})
}
}
fn globlist_to_file_id_vec(globlist: Paths) -> Vec<FileID> {
globlist.filter_map(Result::ok)
.map(|pbuf| FileID::from(&pbuf))
.collect::<Vec<FileID>>()
}
pub fn load(&self, id: &FileID) -> Option<Rc<RefCell<File>>> {
debug!("Loading '{:?}'", id);
self.cache.borrow().get(id).cloned()
}
pub fn load_by_hash<HP>(&self,
m: &Module,
parser: &Parser<HP>,
hash: FileHash)
-> Option<Rc<RefCell<File>>>
where HP: FileHeaderParser
{
macro_rules! try_some {
($expr:expr) => (match $expr {
::std::option::Option::Some(val) => val,
::std::option::Option::None => return ::std::option::Option::None,
});
($expr:expr => return) => (match $expr {
::std::option::Option::Some(val) => val,
::std::option::Option::None => return,
})
}
use glob::{glob, Paths, PatternError};
let hashstr : String = hash.into();
let globstr = format!("{}/*-{}.imag", self.storepath, hashstr);
debug!("glob({})", globstr);
let globs = glob(&globstr[..]);
if globs.is_err() {
return None;
}
let path = globs.unwrap().last();
debug!("path = {:?}", path);
let pathbuf = try_some!(path);
if pathbuf.is_err() { return None; }
let pathbuf_un = pathbuf.unwrap();
let filename = pathbuf_un.file_name();
let s = try_some!(filename).to_str();
let string = String::from(try_some!(s));
let id = try_some!(FileID::parse(&string));
debug!("Loaded ID = '{:?}'", id);
self.load_in_cache(m, parser, id)
.map(|file| {
debug!("Loaded File = '{:?}'", file);
Some(file)
}).unwrap_or(None)
}
pub fn remove(&self, id: FileID) -> bool {
use std::fs::remove_file;
self.cache
.borrow_mut()
.remove(&id)
.map(|file| {
let idstr : String = id.into();
let path = format!("{}/{}-{}.imag",
self.storepath,
file.deref().borrow().owner_name(),
idstr);
debug!("Removing file NOW: '{}'", path);
remove_file(path).is_ok()
})
.unwrap_or(false)
}
pub fn load_for_module<HP>(&self, m: &Module, parser: &Parser<HP>)
-> Vec<Rc<RefCell<File>>>
where HP: FileHeaderParser
{
use glob::{glob, Paths, PatternError};
let globstr = format!("{}/{}-*.imag", self.storepath, m.name());
let mut res = vec![];
glob(&globstr[..]).map(|paths| {
for path in paths {
if let Ok(pathbuf) = path {
let fname = pathbuf.file_name().and_then(|s| s.to_str());
fname.map(|s| {
FileID::parse(&String::from(s)).map(|id| {
self.load_in_cache(m, parser, id).map(|file| {
res.push(file);
})
});
});
}
}
});
res
}
fn get_new_file_id(&self) -> FileID {
use uuid::Uuid;
let hash = FileHash::from(Uuid::new_v4().to_hyphenated_string());
FileID::new(FileIDType::UUID, hash)
}
}

17
src/storage/parser.rs
View file

@ -88,16 +88,11 @@ pub trait FileHeaderParser : Sized {
fn write(&self, data: &FileHeaderData) -> Result<String, ParserError>;
}
type TextTpl = (Option<String>, Option<String>);
pub struct Parser<HP>
{
pub struct Parser<HP> {
headerp : HP,
}
impl<HP> Parser<HP> where
HP: FileHeaderParser,
{
impl<HP: FileHeaderParser> Parser<HP> {
pub fn new(headerp: HP) -> Parser<HP> {
Parser {
@ -105,8 +100,7 @@ impl<HP> Parser<HP> where
}
}
pub fn read(&self, s: String) -> Result<(FileHeaderData, String), ParserError>
{
pub fn read(&self, s: String) -> Result<(FileHeaderData, String), ParserError> {
debug!("Reading into internal datastructure: '{}'", s);
let divided = self.divide_text(&s);
@ -128,8 +122,7 @@ impl<HP> Parser<HP> where
Ok((h_parseres, data.unwrap_or(String::new())))
}
pub fn write(&self, tpl : (FileHeaderData, String)) -> Result<String, ParserError>
{
pub fn write(&self, tpl : (&FileHeaderData, &String)) -> Result<String, ParserError> {
debug!("Parsing internal datastructure to String");
let (header, data) = tpl;
let h_text = try!(self.headerp.write(&header));
@ -139,7 +132,7 @@ impl<HP> Parser<HP> where
Ok(text)
}
fn divide_text(&self, text: &String) -> Result<TextTpl, ParserError> {
fn divide_text(&self, text: &String) -> Result<(Option<String>, Option<String>), ParserError> {
let re = Regex::new(r"(?sm)^---$(.*)^---$(.*)").unwrap();
debug!("Splitting: '{}'", text);

108
src/storage/path.rs Normal file
View file

@ -0,0 +1,108 @@
use std::path::PathBuf;
use glob::glob;
use glob::Paths;
use glob::PatternError;
use storage::file::id::FileID;
use storage::file::id_type::FileIDType;
use storage::file::hash::FileHash;
use module::Module;
/*
* A path represents either a GLOB ("/tmp/store/module-*-*.imag" for example) or a full path
*
* It can be used to generate a File or iterate over some files
*
*/
struct Path<'a> {
/*
* The base part ("/tmp/")
*/
base: PathBuf,
/*
* The store part ("/store/")
*/
store: PathBuf,
/*
* The module
*/
module: &'a Module<'a>,
/*
* The ID
*/
idtype: Option<FileIDType>,
idhash: Option<FileHash>,
id: Option<FileID>,
}
impl<'a> Path<'a> {
fn new(base: PathBuf, store: PathBuf, m: &'a Module<'a>, id: FileID) -> Path<'a> {
Path {
base: base,
store: store,
module: m,
idtype: Some(id.get_type()),
idhash: Some(id.get_id()),
id: Some(id),
}
}
fn new_with_idtype(base: PathBuf, store: PathBuf, m: &'a Module<'a>, id: FileIDType) -> Path<'a> {
Path {
base: base,
store: store,
module: m,
idtype: Some(id),
idhash: None,
id: None,
}
}
fn new_with_idhash(base: PathBuf, store: PathBuf, m: &'a Module<'a>, id: FileHash) -> Path<'a> {
Path {
base: base,
store: store,
module: m,
idtype: None,
idhash: Some(id),
id: None,
}
}
}
/*
* Transform Path into str, so we can call glob() on it
*/
impl<'a> Into<String> for Path<'a> {
fn into(self) -> String {
let mut s = self.base.clone();
s.push(self.store.clone());
s.push(self.module.name());
if self.id.is_some() {
let idstr : String = self.id.unwrap().into();
s.push(idstr);
} else {
s.push("*");
}
s.set_extension("imag");
s.to_str().unwrap_or("").into()
}
}
impl<'a> Into<Result<Paths, PatternError>> for Path<'a> {
fn into(self) -> Result<Paths, PatternError> {
let s : String = self.into();
glob(&s[..])
}
}

102
src/ui/file.rs
View file

@ -1,4 +1,7 @@
use std::cell::RefCell;
use std::iter::Iterator;
use std::rc::Rc;
use std::ops::Deref;
use storage::file::File;
@ -9,14 +12,29 @@ pub trait FilePrinter {
/*
* Print a single file
*/
fn print_file(&self, &File);
fn print_file(&self, Rc<RefCell<File>>);
/*
* Print a list of files
*/
fn print_files<'a, I: Iterator<Item = File<'a>>>(&self, files: I) {
fn print_files<I: Iterator<Item = Rc<RefCell<File>>>>(&self, files: I) {
for file in files {
self.print_file(&file);
self.print_file(file);
}
}
fn print_file_custom<F>(&self, file: Rc<RefCell<File>>, f: &F)
where F: Fn(Rc<RefCell<File>>) -> Vec<String>
{
info!("{}", f(file).join(" "));
}
fn print_files_custom<F, I>(&self, files: I, f: &F)
where I: Iterator<Item = Rc<RefCell<File>>>,
F: Fn(Rc<RefCell<File>>) -> Vec<String>
{
for file in files {
self.print_file_custom(file, f);
}
}
@ -34,12 +52,20 @@ impl FilePrinter for DebugPrinter {
}
}
fn print_file(&self, f: &File) {
fn print_file(&self, f: Rc<RefCell<File>>) {
if self.debug {
debug!("[DebugPrinter] ->\n{:?}", f);
}
}
fn print_file_custom<F>(&self, file: Rc<RefCell<File>>, f: &F)
where F: Fn(Rc<RefCell<File>>) -> Vec<String>
{
if self.debug {
debug!("[DebugPrinter] ->\n{:?}", f(file).join(" "));
}
}
}
struct SimplePrinter {
@ -56,13 +82,26 @@ impl FilePrinter for SimplePrinter {
}
}
fn print_file(&self, f: &File) {
fn print_file(&self, f: Rc<RefCell<File>>) {
if self.debug {
debug!("{:?}", f);
} else if self.verbose {
info!("{}", f);
info!("{}", &*f.deref().borrow());
} else {
info!("[File]: {}", f.id());
info!("[File]: {}", f.deref().borrow().id());
}
}
fn print_file_custom<F>(&self, file: Rc<RefCell<File>>, f: &F)
where F: Fn(Rc<RefCell<File>>) -> Vec<String>
{
let s = f(file).join(" ");
if self.debug {
debug!("{:?}", s);
} else if self.verbose {
info!("{}", s);
} else {
info!("[File]: {}", s);
}
}
@ -84,11 +123,11 @@ impl FilePrinter for TablePrinter {
}
}
fn print_file(&self, f: &File) {
fn print_file(&self, f: Rc<RefCell<File>>) {
self.sp.print_file(f);
}
fn print_files<'a, I: Iterator<Item = File<'a>>>(&self, files: I) {
fn print_files<I: Iterator<Item = Rc<RefCell<File>>>>(&self, files: I) {
use prettytable::Table;
use prettytable::row::Row;
use prettytable::cell::Cell;
@ -103,9 +142,9 @@ impl FilePrinter for TablePrinter {
debug!("Printing file: {:?}", file);
i += 1;
let cell_i = Cell::new(&format!("{}", i)[..]);
let cell_o = Cell::new(&format!("{}", file.owner().name())[..]);
let cell_o = Cell::new(&format!("{}", file.deref().borrow().owner_name())[..]);
let id : String = file.id().into();
let id : String = file.deref().borrow().id().clone().into();
let cell_id = Cell::new(&id[..]);
let row = Row::new(vec![cell_i, cell_o, cell_id]);
tab.add_row(row);
@ -119,4 +158,45 @@ impl FilePrinter for TablePrinter {
}
}
fn print_files_custom<F, I>(&self, files: I, f: &F)
where I: Iterator<Item = Rc<RefCell<File>>>,
F: Fn(Rc<RefCell<File>>) -> Vec<String>
{
use prettytable::Table;
use prettytable::row::Row;
use prettytable::cell::Cell;
let titles = row!["#", "Module", "ID", "..."];
let mut tab = Table::new();
tab.set_titles(titles);
let mut i = 0;
for file in files {
debug!("Printing file: {:?}", file);
i += 1;
let cell_i = Cell::new(&format!("{}", i)[..]);
let cell_o = Cell::new(&format!("{}", file.deref().borrow().owner_name())[..]);
let id : String = file.deref().borrow().id().clone().into();
let cell_id = Cell::new(&id[..]);
let mut row = Row::new(vec![cell_i, cell_o, cell_id]);
for cell in f(file).iter() {
debug!("Adding custom cell: {:?}", cell);
row.add_cell(Cell::new(&cell[..]))
}
tab.add_row(row);
}
if i != 0 {
debug!("Printing {} table entries", i);
tab.printstd();
} else {
debug!("Not printing table because there are zero entries");
}
}
}