fs_usage_sys 0.1.4

A Rust wrapper for macOS fs_usage to monitor file system events with advanced filtering
Documentation 
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use crate::{FsUsageConfig, FsUsageMonitor, OperationType};
use anyhow::Result;

pub struct FsUsageMonitorBuilder {
    config: FsUsageConfig,
}

impl FsUsageMonitorBuilder {
    pub fn new() -> Self {
        Self {
            config: FsUsageConfig::default(),
        }
    }

    pub fn watch_path(mut self, path: impl Into<String>) -> Self {
        self.config.watch_paths.push(path.into());
        self
    }

    pub fn watch_paths(mut self, paths: impl IntoIterator<Item = impl Into<String>>) -> Self {
        self.config
            .watch_paths
            .extend(paths.into_iter().map(|p| p.into()));
        self
    }

    pub fn watch_pid(mut self, pid: u32) -> Self {
        self.config.watch_pids.push(pid);
        self
    }

    pub fn watch_pids(mut self, pids: impl IntoIterator<Item = u32>) -> Self {
        self.config.watch_pids.extend(pids);
        self
    }

    pub fn exclude_pid(mut self, pid: u32) -> Self {
        self.config.exclude_pids.push(pid);
        self
    }

    pub fn exclude_pids(mut self, pids: impl IntoIterator<Item = u32>) -> Self {
        self.config.exclude_pids.extend(pids);
        self
    }

    pub fn exclude_process(mut self, process: impl Into<String>) -> Self {
        self.config.exclude_processes.push(process.into());
        self
    }

    pub fn exclude_processes(
        mut self,
        processes: impl IntoIterator<Item = impl Into<String>>,
    ) -> Self {
        self.config
            .exclude_processes
            .extend(processes.into_iter().map(|p| p.into()));
        self
    }

    pub fn watch_operations(mut self, operations: impl IntoIterator<Item = OperationType>) -> Self {
        self.config.operation_types = operations.into_iter().collect();
        self
    }

    pub fn watch_writes_only(mut self) -> Self {
        self.config.operation_types = vec![
            OperationType::Write,
            OperationType::Create,
            OperationType::Delete,
            OperationType::Move,
        ];
        self
    }

    pub fn watch_mutations_only(mut self) -> Self {
        self.config.operation_types = vec![
            OperationType::Write,
            OperationType::Delete,
            OperationType::Move,
            OperationType::Chmod,
        ];
        self
    }

    pub fn watch_reads_only(mut self) -> Self {
        self.config.operation_types = vec![OperationType::Read];
        self
    }

    pub fn exclude_metadata(mut self) -> Self {
        self.config.operation_types = vec![
            OperationType::Read,
            OperationType::Write,
            OperationType::Create,
            OperationType::Delete,
            OperationType::Move,
        ];
        self
    }

    pub fn exact_path_matching(mut self, enabled: bool) -> Self {
        self.config.exact_path_matching = enabled;
        self
    }

    pub fn build(self) -> Result<FsUsageMonitor> {
        FsUsageMonitor::new(self.config)
    }
}

impl Default for FsUsageMonitorBuilder {
    fn default() -> Self {
        Self::new()
    }
}