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use serde_derive::{Deserialize, Serialize};
#[derive(Debug, Clone, Default, Serialize, Deserialize)]
pub struct SearchQuery {
/// ex. "42 2e 64 65 ?? 75 67 24"
pattern: String,
#[serde(skip_serializing_if = "Option::is_none")]
start: Option<u64>,
#[serde(skip_serializing_if = "Option::is_none")]
end: Option<u64>,
#[serde(rename = "ignoreCase")]
ignore_case: bool,
raw: bool,
overlap: bool,
#[serde(skip_serializing_if = "Option::is_none")]
align: Option<u64>,
}
impl SearchQuery {
pub fn new(pattern: impl Into<String>) -> Self {
Self {
pattern: pattern.into(),
..Default::default()
}
}
/// Set the starting address for the search
pub fn start(mut self, addr: u64) -> Self {
self.start = Some(addr);
self
}
/// Set the ending address for the search (inclusive)
pub fn end(mut self, addr: u64) -> Self {
self.end = Some(addr);
self
}
/// Set whether to interpret the pattern as a raw string
pub fn raw(mut self, raw: bool) -> Self {
self.raw = raw;
self
}
/// Set whether to perform case-insensitive matching
pub fn ignore_case(mut self, ignore_case: bool) -> Self {
self.ignore_case = ignore_case;
self
}
/// Set whether to allow matches to overlap
pub fn overlap(mut self, overlap: bool) -> Self {
self.overlap = overlap;
self
}
/// Set the alignment of matches (must be a power of 2)
pub fn align(mut self, align: u64) -> Self {
// Validate that align is a power of 2
if align != 0 && (align & (align - 1)) == 0 {
self.align = Some(align);
}
self
}
}
impl SearchQuery {
/// Serialize the query to a JSON string
pub fn to_json(&self) -> String {
serde_json::to_string(self).expect("failed to serialize search query")
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_search_query_builder() {
let query = SearchQuery::new("test pattern")
.start(0x1000)
.end(0x2000)
.raw(true)
.ignore_case(true)
.overlap(false)
.align(16);
assert_eq!(query.pattern, "test pattern");
assert_eq!(query.start, Some(0x1000));
assert_eq!(query.end, Some(0x2000));
assert!(query.raw);
assert!(query.ignore_case);
assert!(!query.overlap);
assert_eq!(query.align, Some(16));
}
#[test]
fn test_search_query_json() {
let query = SearchQuery::new("test").start(0x1000).align(8);
let json = query.to_json();
let parsed: serde_json::Value = serde_json::from_str(&json).unwrap();
assert_eq!(parsed["pattern"], "test");
assert_eq!(parsed["start"], 4096);
assert_eq!(parsed["align"], 8);
assert!(!parsed.as_object().unwrap().contains_key("end"));
}
}
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