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feat(struct): enable parser for java
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@phodal
phodal committed Feb 22, 2021
1 parent 801040a commit 4de0094
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Showing 2 changed files with 49 additions and 30 deletions.
23 changes: 23 additions & 0 deletions _fixtures/ctags/java_tags
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Original file line number Diff line number Diff line change
@@ -0,0 +1,23 @@
!_TAG_FILE_FORMAT 2 /extended format; --format=1 will not append ;" to lines/
!_TAG_FILE_SORTED 1 /0=unsorted, 1=sorted, 2=foldcase/
!_TAG_OUTPUT_EXCMD mixed /number, pattern, mixed, or combineV2/
!_TAG_OUTPUT_FILESEP slash /slash or backslash/
!_TAG_OUTPUT_MODE u-ctags /u-ctags or e-ctags/
!_TAG_PATTERN_LENGTH_LIMIT 96 /0 for no limit/
!_TAG_PROC_CWD /Users/fdhuang/clone/lombok/src/core/lombok/core/configuration/ //
!_TAG_PROGRAM_AUTHOR Universal Ctags Team //
!_TAG_PROGRAM_NAME Universal Ctags /Derived from Exuberant Ctags/
!_TAG_PROGRAM_URL https://ctags.io/ /official site/
!_TAG_PROGRAM_VERSION 5.9.0 /d532b5c/
TypeName TypeName.java /^ private TypeName(String name) {$/;" method line:29 language:Java class:TypeName file: access:private
TypeName TypeName.java /^public final class TypeName implements ConfigurationValueType {$/;" class line:26 language:Java inherits:ConfigurationValueType
description TypeName.java /^ public static String description() {$/;" method line:43 language:Java class:TypeName access:public
equals TypeName.java /^ @Override public boolean equals(Object obj) {$/;" method line:51 language:Java class:TypeName access:public
exampleValue TypeName.java /^ public static String exampleValue() {$/;" method line:47 language:Java class:TypeName access:public
getCharArray TypeName.java /^ public char[] getCharArray() {$/;" method line:68 language:Java class:TypeName access:public
getName TypeName.java /^ public String getName() {$/;" method line:64 language:Java class:TypeName access:public
hashCode TypeName.java /^ @Override public int hashCode() {$/;" method line:56 language:Java class:TypeName access:public
lombok.core.configuration TypeName.java /^package lombok.core.configuration;$/;" package line:22 language:Java
name TypeName.java /^ private final String name;$/;" field line:27 language:Java class:TypeName file: access:private
toString TypeName.java /^ @Override public String toString() {$/;" method line:60 language:Java class:TypeName access:public
valueOf TypeName.java /^ public static TypeName valueOf(String name) {$/;" method line:33 language:Java class:TypeName access:public
56 changes: 26 additions & 30 deletions plugins/coco_struct_analysis/src/ctags_parser.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@ use regex::Regex;
use std::collections::HashMap;
use std::fs::File;
use std::io::{BufRead, BufReader};
use std::path::PathBuf;

pub struct CtagsParser {
class_map: HashMap<String, ClassInfo>,
Expand All @@ -26,11 +27,11 @@ lazy_static! {
.unwrap();
static ref INHERITS_RE: Regex = Regex::new(r"inherits:([A-Za-z0-9_\:,]+)").unwrap();
static ref AVAILABLE_RE: Regex = Regex::new(
r"(?x)
r#"(?x)
^(?P<name>[A-Za-z0-9_]+)
\t(?P<data_type>[^\t]+)
\t([^\t]+)
\t(?P<tag_type>[A-Za-z]+)"
\t([^\t]+.*?")
\t(?P<tag_type>[A-Za-z]+)"#
)
.unwrap();
static ref RE_CLASS: Regex = Regex::new(
Expand All @@ -41,8 +42,8 @@ class:(?P<class_name>[A-Za-z0-9_\.]+)"
}

impl CtagsParser {
pub fn parse(path: &str) -> CtagsParser {
let file = File::open(path).expect("cannot find file");
pub fn parse(dir: PathBuf) -> CtagsParser {
let file = File::open(format!("{}", dir.display()).as_str()).expect("cannot find file");
let reader = BufReader::new(file);

let mut parser = CtagsParser::default();
Expand All @@ -55,6 +56,17 @@ impl CtagsParser {
};
}

let file = File::open(format!("{}", dir.display()).as_str()).expect("cannot find file");
let reader = BufReader::new(file);
for result in reader.lines() {
match result {
Ok(line) => {
parser.parse_method_methods(line.as_str());
}
Err(_) => {}
};
}

parser
}

Expand All @@ -67,15 +79,15 @@ impl CtagsParser {
}
}

pub fn parse_method_methods(&mut self, str: &str) {
if !AVAILABLE_RE.is_match(str) {
pub fn parse_method_methods(&mut self, line: &str) {
if !AVAILABLE_RE.is_match(line) {
return;
}

let captures = AVAILABLE_RE.captures(str).unwrap();
let captures = AVAILABLE_RE.captures(line).unwrap();

let mut class_name = "".to_string();
if let Some(capts) = RE_CLASS.captures(str) {
if let Some(capts) = RE_CLASS.captures(line) {
class_name = capts["class_name"].to_string();
}
let split = class_name.split(".");
Expand Down Expand Up @@ -134,33 +146,17 @@ mod test {
#[test]
pub fn should_parse_local_file() {
let dir = tags_dir().join("coco_tags");
let parser = CtagsParser::parse(format!("{}", dir.display()).as_str());
let parser = CtagsParser::parse(dir);
let vec = parser.classes();
assert_eq!(25, vec.len());
}

#[test]
pub fn should_parse_java_class() {
let tags = "AsyncEventBus AsyncEventBus.java /^public class AsyncEventBus extends EventBus {$/;\" class line:31 language:Java inherits:EventBus";
let mut parser = CtagsParser::default();
parser.parse_class(tags);

pub fn should_parse_java_file() {
let dir = tags_dir().join("java_tags");
let parser = CtagsParser::parse(dir);
let classes = parser.classes();
assert_eq!(1, classes.len());
assert_eq!("AsyncEventBus", classes[0].name);
}

#[test]
pub fn should_parse_java_method() {
let class_tags = "AsyncEventBus AsyncEventBus.java /^public class AsyncEventBus extends EventBus {$/;\" class line:31 language:Java inherits:EventBus";
let tags = "AsyncEventBus AsyncEventBus.java /^ public AsyncEventBus(Executor executor) {$/;\" method line:69 language:Java class:AsyncEventBus access:public";
let mut parser = CtagsParser::default();
parser.parse_class(class_tags);
parser.parse_method_methods(tags);

let classes = parser.classes();
let methods = &classes[0].method;
assert_eq!(1, methods.len());
assert_eq!("AsyncEventBus", methods[0].name);
assert_eq!(9, classes[0].method.len());
}
}

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