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Refactoring

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This commit is contained in:
elvis
2025-07-11 19:36:20 +02:00
parent 5bddb01883
commit b22c7de319
10 changed files with 525 additions and 469 deletions
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1
.gitignore vendored
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@ -116,3 +116,4 @@ Temporary Items
.nfs*
*.cbor
*.graphml

445
src/examples.rs
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@ -1,445 +0,0 @@
use super::rsprocess::structure::{RSset, RSsystem};
use super::rsprocess::{graph, rsdot, translator};
use super::rsprocess::translator::Translator;
use super::rsprocess::{frequency, perpetual, statistics, transitions};
use super::rsprocess::serialize;
use std::env;
use std::fs::{self, File};
use std::io;
use std::io::prelude::*;
use std::rc::Rc;
// grammar is defined in lib.rs, calling lalrpop_mod! twice, generates twice
// the code
use super::grammar;
fn read_file<T, F>(
translator: &mut Translator,
path: std::path::PathBuf,
parser: F
) -> std::io::Result<T>
where
F: Fn(&mut Translator, String) -> T
{
// we read the file with a buffer
let f = fs::File::open(path.clone())?;
let mut buf_reader = io::BufReader::new(f);
let mut contents = String::new();
buf_reader.read_to_string(&mut contents)?;
// parse
let result = parser(translator, contents);
Ok(result)
}
fn save_file(
contents: String,
path: std::path::PathBuf
) -> std::io::Result<()>
{
let mut f = fs::File::create(path.clone())?;
write!(f, "{contents}")?;
Ok(())
}
fn parser_system(translator: &mut Translator, contents: String) -> RSsystem {
grammar::SystemParser::new()
.parse(translator, &contents)
.unwrap()
}
fn parser_experiment(translator: &mut Translator, contents: String) -> (Vec<u32>, Vec<RSset>) {
grammar::ExperimentParser::new()
.parse(translator, &contents)
.unwrap()
}
// equivalent main_do(stat) or main_do(stat, MissingE)
pub fn stats() -> std::io::Result<()> {
let mut translator = Translator::new();
let mut path = env::current_dir()?;
// file to read is inside testing/
path = path.join("testing/first.system");
let system = read_file(&mut translator, path, parser_system)?;
// print statistics to screan
println!("{}", statistics::of_RSsystem(&translator, &system));
// to write to file:
//// path = path.with_extension("stats");
//// let mut f = std::fs::File::create(path)?;
//// writeln!(f, "{}", statistics::of_RSsystem(translator, &result))?;
Ok(())
}
// equivalent to main_do(target, E)
pub fn target() -> std::io::Result<()> {
let mut translator = Translator::new();
let mut path = env::current_dir()?;
// file to read is inside testing/
path = path.join("testing/first.system");
let system = read_file(&mut translator, path, parser_system)?;
// the system needs to terminate to return
let res = match transitions::target(&system) {
Ok(o) => o,
Err(e) => {
println!("Error computing target: {e}");
return Ok(());
}
};
println!(
"After {} steps we arrive at state:\n{}",
res.0,
translator::RSsetDisplay::from(&translator, &res.1)
);
Ok(())
}
// equivalent to main_do(run,Es)
pub fn run() -> std::io::Result<()> {
let mut translator = Translator::new();
let mut path = env::current_dir()?;
// file to read is inside testing/
path = path.join("testing/first.system");
let system = read_file(&mut translator, path, parser_system)?;
// the system needs to terminate to return
let res = match transitions::run_separated(&system) {
Ok(o) => o,
Err(e) => {
println!("Error computing target: {e}");
return Ok(());
}
};
println!("The trace is composed by the set of entities:");
for (e, _c, _t) in res {
println!("{}", translator::RSsetDisplay::from(&translator, &e));
}
Ok(())
}
// equivalent to main_do(loop,Es)
pub fn hoop() -> std::io::Result<()> {
let mut translator = Translator::new();
let mut path = env::current_dir()?;
// file to read is inside testing/
path = path.join("testing/first.system");
let system = read_file(&mut translator, path, parser_system)?;
// we retrieve the id for "x" and use it to find the corresponding loop
let res =
match perpetual::lollipops_only_loop_named(system,
translator.encode("x")) {
Some(o) => o,
None => {
println!("No loop found.");
return Ok(());
}
};
println!("The loop is composed by the sets:");
for e in res {
println!("{}", translator::RSsetDisplay::from(&translator, &e));
}
Ok(())
}
// equivalent to main_do(freq, PairList)
pub fn freq() -> std::io::Result<()> {
let mut translator = Translator::new();
let mut path = env::current_dir()?;
// file to read is inside testing/
path = path.join("testing/first.system");
let system = read_file(&mut translator, path, parser_system)?;
let res = match frequency::naive_frequency(&system) {
Ok(f) => f,
Err(e) => {
println!("Error computing target: {e}");
return Ok(());
}
};
println!(
"Frequency of encountered symbols:\n{}",
translator::FrequencyDisplay::from(&translator, &res)
);
Ok(())
}
// equivalent to main_do(limitfreq, PairList)
pub fn limit_freq() -> std::io::Result<()> {
let mut translator = Translator::new();
let mut path = env::current_dir()?;
// file to read is inside testing/
path = path.join("testing/first.system");
let system = read_file(&mut translator, path, parser_system)?;
path = env::current_dir()?;
path = path.join("testing/first.experiment");
let (_, sets) = read_file(&mut translator, path, parser_experiment)?;
let res = match frequency::limit_frequency(&sets,
&system.reaction_rules,
&system.available_entities) {
Some(e) => e,
None => {return Ok(());}
};
println!(
"Frequency of encountered symbols:\n{}",
translator::FrequencyDisplay::from(&translator, &res)
);
Ok(())
}
// equivalent to main_do(fastfreq, PairList)
pub fn fast_freq() -> std::io::Result<()> {
let mut translator = Translator::new();
let mut path = env::current_dir()?;
// file to read is inside testing/
path = path.join("testing/first.system");
let system = read_file(&mut translator, path, parser_system)?;
path = env::current_dir()?;
path = path.join("testing/first.experiment");
let (weights, sets) = read_file(&mut translator, path, parser_experiment)?;
let res = match frequency::fast_frequency(&sets,
&system.reaction_rules,
&system.available_entities,
&weights) {
Some(e) => e,
None => {return Ok(());}
};
println!(
"Frequency of encountered symbols:\n{}",
translator::FrequencyDisplay::from(&translator, &res)
);
Ok(())
}
// equivalent to main_do(digraph, Arcs)
pub fn digraph() -> std::io::Result<()> {
let mut translator = Translator::new();
let mut path = env::current_dir()?;
// file to read is inside testing/
path = path.join("testing/first.system");
let system = read_file(&mut translator, path, parser_system)?;
// the system needs to terminate to return
let res = match graph::digraph(system) {
Ok(o) => o,
Err(e) => {
println!("Error computing target: {e}");
return Ok(());
}
};
let rc_translator = Rc::new(translator);
let old_res = Rc::new(res.clone());
// map each value to the corresponding value we want to display
let res = res.map(
|id, node|
graph::GraphMapNodesTy::from(graph::GraphMapNodes::Entities,
Rc::clone(&rc_translator)).get()(id, node)
+ "; " +
&graph::GraphMapNodesTy::from(graph::GraphMapNodes::Context,
Rc::clone(&rc_translator)).get()(id, node),
graph::GraphMapEdgesTy::from(graph::GraphMapEdges::EntitiesAdded,
Rc::clone(&rc_translator)).get()
);
println!("Generated graph in dot notation:\n{}",
rsdot::RSDot::with_attr_getters(
&res,
&[],
&graph::default_edge_formatter(Rc::clone(&old_res)),
&graph::default_node_formatter(Rc::clone(&old_res)),
)
);
Ok(())
}
pub fn graphml() -> std::io::Result<()> {
let mut translator = Translator::new();
let mut path = env::current_dir()?;
// file to read is inside testing/
path = path.join("testing/first.system");
let system = read_file(&mut translator, path.clone(), parser_system)?;
// the system needs to terminate to return
let res = match graph::digraph(system) {
Ok(o) => o,
Err(e) => {
println!("Error computing target: {e}");
return Ok(());
}
};
let rc_translator = Rc::new(translator);
//let old_res = Rc::new(res.clone());
// map each value to the corresponding value we want to display
let res = res.map(
|id, node|
graph::GraphMapNodesTy::from(graph::GraphMapNodes::Entities,
Rc::clone(&rc_translator)).get()(id, node)
+ "; " +
&graph::GraphMapNodesTy::from(graph::GraphMapNodes::Context,
Rc::clone(&rc_translator)).get()(id, node),
graph::GraphMapEdgesTy::from(graph::GraphMapEdges::EntitiesAdded,
Rc::clone(&rc_translator)).get()
);
path.set_extension("graphml");
use petgraph_graphml::GraphMl;
let graphml = GraphMl::new(&res)
.pretty_print(true)
.export_node_weights_display()
.export_edge_weights_display();
println!("Generated graph in graphml notation:\n{graphml}");
save_file(graphml.to_string(), path)?;
Ok(())
}
// equivalent to main_do(advdigraph, Arcs)
pub fn adversarial() -> std::io::Result<()> {
let mut translator = Translator::new();
let mut path = env::current_dir()?;
// file to read is inside testing/
path = path.join("testing/adversarial.system");
let system = read_file(&mut translator, path, parser_system)?;
// the system needs to terminate to return
let res = match graph::digraph(system) {
Ok(o) => o,
Err(e) => {
println!("Error computing target: {e}");
return Ok(());
}
};
let rc_translator = Rc::new(translator);
let old_res = Rc::new(res.clone());
// map each value to the corresponding value we want to display
let res = res.map(
|id, node|
graph::GraphMapNodesTy::from(graph::GraphMapNodes::Entities,
Rc::clone(&rc_translator)).get()(id, node)
+ "; " +
&graph::GraphMapNodesTy::from(graph::GraphMapNodes::Context,
Rc::clone(&rc_translator)).get()(id, node),
graph::GraphMapEdgesTy::from(graph::GraphMapEdges::EntitiesAdded,
Rc::clone(&rc_translator)).get()
);
println!("Generated graph in dot notation:\n{}",
rsdot::RSDot::with_attr_getters(
&res,
&[],
&graph::default_edge_formatter(Rc::clone(&old_res)),
&graph::default_node_formatter(Rc::clone(&old_res)),
)
);
Ok(())
}
pub fn serialize() -> std::io::Result<()> {
let mut translator = Translator::new();
let mut path = env::current_dir()?;
// file to read is inside testing/
path = path.join("testing/adversarial.system");
let system = read_file(&mut translator, path, parser_system)?;
// the system needs to terminate to return
let graph = match graph::digraph(system) {
Ok(o) => o,
Err(e) => {
println!("Error computing target: {e}");
return Ok(());
}
};
let mut path = env::current_dir()?;
path = path.join("testing/adversarial.cbor");
let file = File::create(path)?;
serialize::sr(file, &graph, &translator).unwrap();
Ok(())
}
pub fn deserialize() -> std::io::Result<()> {
let mut path = env::current_dir()?;
path = path.join("testing/adversarial.cbor");
let file = File::open(path)?;
let (graph, translator) = serialize::dsr(file).unwrap();
let rc_translator = Rc::new(translator);
let old_res = Rc::new(graph.clone());
// map each value to the corresponding value we want to display
let graph = graph.map(
|id, node|
graph::GraphMapNodesTy::from(graph::GraphMapNodes::Entities,
Rc::clone(&rc_translator)).get()(id, node)
+ "; " +
&graph::GraphMapNodesTy::from(graph::GraphMapNodes::Context,
Rc::clone(&rc_translator)).get()(id, node),
graph::GraphMapEdgesTy::from(graph::GraphMapEdges::EntitiesAdded,
Rc::clone(&rc_translator)).get()
);
println!("Generated graph in dot notation:\n{}",
rsdot::RSDot::with_attr_getters(
&graph,
&[],
&graph::default_edge_formatter(Rc::clone(&old_res)),
&graph::default_node_formatter(Rc::clone(&old_res)),
)
);
Ok(())
}

1
src/lib.rs
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@ -1,7 +1,6 @@
//! Module root
pub mod rsprocess;
pub mod examples;
lalrpop_util::lalrpop_mod!(
#[allow(clippy::uninlined_format_args)] pub grammar, // name of module

6
src/main.rs
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@ -1,8 +1,8 @@
fn main() -> std::io::Result<()> {
fn main() {
// let now = std::time::Instant::now();
// println!("{}", now.elapsed().as_micros());
reactionsystems::examples::graphml()?;
let (g, t) = reactionsystems::rsprocess::presets::digraph("testing/first.system".into()).unwrap();
Ok(())
reactionsystems::rsprocess::presets::dot(&g, &t, "testing/first.dot".into()).unwrap();
}

8
src/rsprocess/frequency.rs
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@ -86,8 +86,8 @@ pub fn loop_frequency(system: &RSsystem, symb: IdType) -> Frequency {
freq
}
/// ```q[i]``` is given enough times such that the stabilizes in a loop, calculate the
/// frequency of the symbols in any state in the last loop
/// ```q[i]``` is given enough times such that the stabilizes in a loop,
/// calculate the frequency of the symbols in any state in the last loop
/// see limitFreq
pub fn limit_frequency(
q: &[RSset],
@ -114,8 +114,8 @@ pub fn limit_frequency(
Some(freq)
}
/// ```q[i]``` is given enough times such that the stabilizes in a loop, calculate the
/// frequency of the symbols in any state in any loop, weighted.
/// ```q[i]``` is given enough times such that the stabilizes in a loop,
/// calculate the frequency of the symbols in any state in any loop, weighted.
/// see fastFreq
pub fn fast_frequency(
q: &[RSset],

1
src/rsprocess/mod.rs
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@ -12,3 +12,4 @@ pub mod translator;
pub mod graph;
pub mod rsdot;
pub mod serialize;
pub mod presets;

488
src/rsprocess/presets.rs Normal file
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@ -0,0 +1,488 @@
//! Module that holds useful presets for interacting with other modules.
use std::env;
use std::fs;
use std::io;
use std::io::prelude::*;
use std::rc::Rc;
use lalrpop_util::ParseError;
use petgraph::Graph;
// grammar is defined in lib.rs, calling lalrpop_mod! twice, generates twice
// the code
use crate::grammar;
use super::structure::RSlabel;
use super::structure::{RSset, RSsystem};
use super::translator::Translator;
use super::*;
// -----------------------------------------------------------------------------
// Helper Functions
// -----------------------------------------------------------------------------
fn read_file<T, F>(
translator: &mut Translator,
path_string: String,
parser: F
) -> Result<T, String>
where
F: Fn(&mut Translator, String) -> Result<T, String>
{
// relative path
let mut path = match env::current_dir() {
Ok(p) => p,
Err(_) => return Err("Error getting current directory.".into())
};
path = path.join(path_string);
// we read the file with a buffer
let f = match fs::File::open(path) {
Ok(f) => f,
Err(_) => return Err("Error opening file.".into())
};
let mut buf_reader = io::BufReader::new(f);
let mut contents = String::new();
match buf_reader.read_to_string(&mut contents) {
Ok(_) => {},
Err(_) => return Err("Error reading file.".into())
}
// parse
let result = parser(translator, contents)?;
Ok(result)
}
fn save_file(
contents: String,
path_string: String,
extension: String
) -> Result<(), String>
{
// relative path
let mut path = match env::current_dir() {
Ok(p) => p,
Err(_) => return Err("Error getting current directory.".into())
};
path = path.join(path_string);
path.set_extension(extension);
let mut f = match fs::File::create(&path) {
Ok(f) => f,
Err(_) => return Err(format!("Error creating file {}.",
path.to_str().unwrap()))
};
match write!(f, "{contents}") {
Ok(_) => {}
Err(_) => return Err("Error writing to file.".into())
}
Ok(())
}
fn parser_system(
translator: &mut Translator,
contents: String
) -> Result<RSsystem, String>
{
match grammar::SystemParser::new()
.parse(translator, &contents)
{
Ok(sys) => Ok(sys),
Err(e) => {
match e {
ParseError::ExtraToken { token: (l, t, r) } => {
Err(format!(
"Unexpected token \"{t}\" \
between positions {l} and {r}."
))
},
ParseError::UnrecognizedEof { location: _, expected: _ } => {
Err("End of file encountered while parsing.".into())
},
ParseError::InvalidToken { location } => {
Err(format!("Invalid token at position {location}."))
},
ParseError::UnrecognizedToken { token: (l, t, r), expected: _ }
=> {
Err(format!(
"Unexpected token \"{t}\" \
between positions {l} and {r}."
))
},
ParseError::User { error } => {
Err(error.to_string())
}
}
}
}
}
fn parser_experiment(
translator: &mut Translator,
contents: String
) -> Result<(Vec<u32>, Vec<RSset>), String>
{
match grammar::ExperimentParser::new()
.parse(translator, &contents)
{
Ok(sys) => Ok(sys),
Err(e) => {
match e {
ParseError::ExtraToken { token: (l, t, r) } => {
Err(format!(
"Unexpected token \"{t}\" \
between positions {l} and {r}."
))
},
ParseError::UnrecognizedEof { location: _, expected: _ } => {
Err("End of file encountered while parsing.".into())
},
ParseError::InvalidToken { location } => {
Err(format!("Invalid token at position {location}."))
},
ParseError::UnrecognizedToken { token: (l, t, r), expected: _ }
=> {
Err(format!(
"Unexpected token \"{t}\" \
between positions {l} and {r}."
))
},
ParseError::User { error } => {
Err(error.to_string())
}
}
}
}
}
// -----------------------------------------------------------------------------
// Methods
// -----------------------------------------------------------------------------
/// Prints statistics of the system.
/// Equivalent main_do(stat) or main_do(stat, MissingE)
pub fn stats(path_string: String) -> Result<(), String> {
let mut translator = Translator::new();
let system = read_file(&mut translator, path_string, parser_system)?;
// print statistics to screan
println!("{}", statistics::of_RSsystem(&translator, &system));
Ok(())
}
/// Prints a final set of entities in a terminating Reaction System.
/// Equivalent to main_do(target, E)
pub fn target(path_string: String) -> Result<(), String> {
let mut translator = Translator::new();
let system = read_file(&mut translator, path_string, parser_system)?;
// the system needs to terminate to return
let res = transitions::target(&system)?;
println!(
"After {} steps we arrive at state:\n{}",
res.0,
translator::RSsetDisplay::from(&translator, &res.1)
);
Ok(())
}
/// Finds the list of traversed states in a (deterministic) terminating
/// reaction.
/// equivalent to main_do(run,Es)
pub fn run(path_string: String) -> Result<(), String> {
let mut translator = Translator::new();
let system = read_file(&mut translator, path_string, parser_system)?;
// the system needs to terminate to return
let res = transitions::run_separated(&system)?;
println!("The trace is composed by the set of entities:");
for (e, _c, _t) in res {
println!("{}", translator::RSsetDisplay::from(&translator, &e));
}
Ok(())
}
/// Finds the looping list of states in a reaction system with a perpetual
/// context IMPORTANT: for loops, we assume Delta defines the process constant
/// x = Q.x and the context process is x .
/// equivalent to main_do(loop,Es)
pub fn hoop(path_string: String) -> Result<(), String> {
let mut translator = Translator::new();
let system = read_file(&mut translator, path_string, parser_system)?;
// we retrieve the id for "x" and use it to find the corresponding loop
let res =
match perpetual::lollipops_only_loop_named(system,
translator.encode("x")) {
Some(o) => o,
None => {
return Err("No loop found.".into());
}
};
println!("The loop is composed by the sets:");
for e in res {
println!("{}", translator::RSsetDisplay::from(&translator, &e));
}
Ok(())
}
/// Finds the frequency of each entity in the traversed states for a
/// (deterministic) terminating Reaction System.
/// equivalent to main_do(freq, PairList)
pub fn freq(path_string: String) -> Result<(), String> {
let mut translator = Translator::new();
let system = read_file(&mut translator, path_string, parser_system)?;
let res = frequency::naive_frequency(&system)?;
println!(
"Frequency of encountered symbols:\n{}",
translator::FrequencyDisplay::from(&translator, &res)
);
Ok(())
}
/// Finds the frequency of each entity in the limit loop of a nonterminating
/// Reaction System whose context has the form Q1 ... Q1.Q2 ... Q2 ... Qn ...
/// equivalent to main_do(limitfreq, PairList)
pub fn limit_freq(
path_string_system: String,
path_string_experiment: String
) -> Result<(), String>
{
let mut translator = Translator::new();
let system = read_file(&mut translator,
path_string_system,
parser_system)?;
let (_, sets) = read_file(&mut translator,
path_string_experiment,
parser_experiment)?;
let res = match frequency::limit_frequency(&sets,
&system.reaction_rules,
&system.available_entities) {
Some(e) => e,
None => {return Err("Error calculating frequency.".into());}
};
println!(
"Frequency of encountered symbols:\n{}",
translator::FrequencyDisplay::from(&translator, &res)
);
Ok(())
}
/// Finds the frequency of each entity in the traversed loops of a terminating
/// reaction system whose context has the form
/// Q1 ... Q1.Q2 ... Q2 ... Qn ... Qn.nil and each Qi is repeated Wi times
/// read from a corresponding file.
/// equivalent to main_do(fastfreq, PairList)
pub fn fast_freq(
path_string_system: String,
path_string_experiment: String
) -> Result<(), String>
{
let mut translator = Translator::new();
let system = read_file(&mut translator,
path_string_system,
parser_system)?;
let (weights, sets) = read_file(&mut translator,
path_string_experiment,
parser_experiment)?;
let res = match frequency::fast_frequency(&sets,
&system.reaction_rules,
&system.available_entities,
&weights) {
Some(e) => e,
None => {return Err("Error calculating frequency.".into());}
};
println!(
"Frequency of encountered symbols:\n{}",
translator::FrequencyDisplay::from(&translator, &res)
);
Ok(())
}
/// Computes the LTS.
/// equivalent to main_do(digraph, Arcs) or to main_do(advdigraph, Arcs)
pub fn digraph(
path_string: String
) -> Result<(Graph<RSsystem, RSlabel>, Translator), String> {
let mut translator = Translator::new();
let system = read_file(&mut translator, path_string, parser_system)?;
// the system needs to terminate to return
let res = graph::digraph(system)?;
Ok((res, translator))
}
// ----------------------------------------------------------------------------
// Output Functions
// ----------------------------------------------------------------------------
/// Writes the specified graph to a file in .dot format.
pub fn dot(
graph: &Graph<RSsystem, RSlabel>,
translator: &Translator,
output: String
) -> Result<(), String>
{
let rc_translator = Rc::new(translator.to_owned());
// map each value to the corresponding value we want to display
let modified_graph = graph.map(
|id, node|
graph::GraphMapNodesTy::from(
graph::GraphMapNodes::Entities,
Rc::clone(&rc_translator)
).get()(id, node)
+ "; " +
&graph::GraphMapNodesTy::from(
graph::GraphMapNodes::Context,
Rc::clone(&rc_translator)
).get()(id, node),
graph::GraphMapEdgesTy::from(
graph::GraphMapEdges::EntitiesAdded,
Rc::clone(&rc_translator)
).get()
);
let graph = Rc::new(graph.to_owned());
let edge_formatter = graph::default_edge_formatter(Rc::clone(&graph));
let node_formatter = graph::default_node_formatter(Rc::clone(&graph));
let dot = rsdot::RSDot::with_attr_getters(
&modified_graph,
&[],
&edge_formatter,
&node_formatter,
);
save_file(format!("{dot}"), output, "dot".into())?;
Ok(())
}
/// Writes the specified graph to a file in .graphml format.
pub fn graphml(
graph: &Graph<RSsystem, RSlabel>,
translator: &Translator,
output: String
) -> Result<(), String>
{
let rc_translator = Rc::new(translator.to_owned());
// map each value to the corresponding value we want to display
let modified_graph = graph.map(
|id, node|
graph::GraphMapNodesTy::from(
graph::GraphMapNodes::Entities,
Rc::clone(&rc_translator)
).get()(id, node)
+ "; " +
&graph::GraphMapNodesTy::from(
graph::GraphMapNodes::Context,
Rc::clone(&rc_translator)
).get()(id, node),
graph::GraphMapEdgesTy::from(graph::GraphMapEdges::EntitiesAdded,
Rc::clone(&rc_translator)).get()
);
use petgraph_graphml::GraphMl;
let graphml = GraphMl::new(&modified_graph)
.pretty_print(true)
.export_node_weights_display()
.export_edge_weights_display();
save_file(format!("{graphml}"), output, "graphml".into())?;
Ok(())
}
/// Writes the specified graph, translator tuple to file.
/// N.B. graph size in memory might be much larger after serialization and
/// deserialization.
pub fn serialize(
graph: &Graph<RSsystem, RSlabel>,
translator: &Translator,
output_path: String
) -> Result<(), String>
{
// relative path
let mut path = match env::current_dir() {
Ok(p) => p,
Err(_) => return Err("Error getting current directory.".into())
};
path = path.join(output_path);
path.set_extension("cbor");
let f = match fs::File::create(&path) {
Ok(f) => f,
Err(_) => return Err(format!("Error creating file {}.",
path.to_str().unwrap()))
};
match serialize::ser(f, graph, translator) {
Ok(_) => Ok(()),
Err(_) => Err("Error during serialization.".into())
}
}
/// Reads the specified serialized system from a file.
/// N.B. graph size in memory might be much larger after serialization and
/// deserialization
pub fn deserialize(
input_path: String
) -> Result<(Graph<RSsystem, RSlabel>, Translator), String>
{
// relative path
let mut path = match env::current_dir() {
Ok(p) => p,
Err(_) => return Err("Error getting current directory.".into())
};
path = path.join(input_path);
path.set_extension("cbor");
let f = match fs::File::open(&path) {
Ok(f) => f,
Err(_) => return Err(format!("Error opening file {}.",
path.to_str().unwrap()))
};
match serialize::de(f) {
Ok(a) => Ok(a),
Err(_) => Err("Error during deserialization.".into())
}
}

39
src/rsprocess/rsdot.rs
View File

@ -1,6 +1,8 @@
//! Slightly modified Simple graphviz dot file format output.
//! See petgraph::dot::mod.
static PRINTNAMES: bool = false;
use core::fmt::{self, Display, Write};
use petgraph::
{
@ -205,10 +207,15 @@ where
// output all labels
for node in g.node_references() {
write!(f, "{INDENT}\"")?;
// Escaped(FnFmt(node.weight(), &node_fmt)).fmt(f)?;
write!(f, "{}", g.to_index(node.id()))?;
write!(f, "\" [ ")?;
if PRINTNAMES {
write!(f, "{INDENT}\"")?;
Escaped(FnFmt(node.weight(), &node_fmt)).fmt(f)?;
write!(f, "\" [ ")?;
} else {
write!(f, "{INDENT}")?;
write!(f, "{}", g.to_index(node.id()))?;
write!(f, " [ ")?;
}
write!(f, "label = \"")?;
Escaped(FnFmt(node.weight(), &node_fmt)).fmt(f)?;
@ -218,15 +225,21 @@ where
}
// output all edges
for edge in g.edge_references() {
write!(f, "{INDENT}\"")?;
// let node_source_weight = g.node_weight(edge.source()).unwrap();
// Escaped(FnFmt(node_source_weight, &node_fmt)).fmt(f)?;
write!(f, "{}", g.to_index(edge.source()))?;
write!(f, "\" {} \"", EDGE[g.is_directed() as usize])?;
// let node_target_weight = g.node_weight(edge.target()).unwrap();
// Escaped(FnFmt(node_target_weight, &node_fmt)).fmt(f)?;
write!(f, "{}", g.to_index(edge.target()))?;
write!(f, "\" [ ")?;
if PRINTNAMES {
write!(f, "{INDENT}\"")?;
let node_source_weight = g.node_weight(edge.source()).unwrap();
Escaped(FnFmt(node_source_weight, &node_fmt)).fmt(f)?;
write!(f, "\" {} \"", EDGE[g.is_directed() as usize])?;
let node_target_weight = g.node_weight(edge.target()).unwrap();
Escaped(FnFmt(node_target_weight, &node_fmt)).fmt(f)?;
write!(f, "\" [ ")?;
} else {
write!(f, "{INDENT}")?;
write!(f, "{} ", g.to_index(edge.source()))?;
write!(f, "{} ", EDGE[g.is_directed() as usize])?;
write!(f, "{} ", g.to_index(edge.target()))?;
write!(f, "[ ")?;
}
write!(f, "label = \"")?;
Escaped(FnFmt(edge.weight(), &edge_fmt)).fmt(f)?;

4
src/rsprocess/serialize.rs
View File

@ -18,7 +18,7 @@ struct GraphAndTranslator {
}
/// Serializer for graph and translator.
pub fn sr<W>(
pub fn ser<W>(
writer: W,
graph: &Graph<RSsystem, RSlabel>,
translator: &Translator
@ -34,7 +34,7 @@ where
}
/// Deserializer for file that contains graph and translator.
pub fn dsr<R>(
pub fn de<R>(
reader: R
) -> Result<(Graph<RSsystem, RSlabel>, Translator), serde_cbor_2::Error>
where

1
src/rsprocess/support_structures.rs
View File

@ -4,7 +4,6 @@ use super::structure::{RSlabel, RSprocess, RSset, RSsystem};
use super::transitions::unfold;
use std::rc::Rc;
///
#[derive(Clone, Debug)]
pub struct TransitionsIterator<'a> {
choices_iterator: std::vec::IntoIter<(Rc<RSset>, Rc<RSprocess>)>,