File size: 7,448 Bytes
e5034c3 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 | use std::fmt::Display;
use regex::Regex;
use schemars::JsonSchema;
use serde::{Deserialize, Serialize};
#[derive(Debug, Clone, PartialEq, Eq, Hash, Serialize, Deserialize, JsonSchema)]
#[serde(transparent)]
pub struct ToolName(String);
impl ToolName {
pub fn new(value: impl ToString) -> Self {
ToolName(value.to_string())
}
/// Transforms the tool_name to remove whitespaces and converts to
/// lower_snake_case
pub fn sanitized(input: &str) -> Self {
// Convert to lowercase
let input = input.to_lowercase();
// Replace all non-alphanumeric characters (excluding underscore) with
// underscores
let re_special = Regex::new(r"[^a-z0-9_]+").unwrap();
let cleaned = re_special.replace_all(&input, "_");
// Remove leading/trailing underscores and collapse consecutive underscores
let re_trimmed = Regex::new(r"_+").unwrap();
let sanitized_str = re_trimmed
.replace_all(&cleaned, "_")
.trim_matches('_')
.to_string();
Self(sanitized_str)
}
}
impl ToolName {
pub fn into_string(self) -> String {
self.0
}
pub fn as_str(&self) -> &str {
&self.0
}
pub fn into_sanitized(self) -> Self {
ToolName::sanitized(self.0.as_str())
}
/// Converts a Claude Code format MCP tool name (`mcp__{server}__{tool}`) to
/// Forge's internal legacy format (`mcp_{server}_tool_{tool}`).
///
/// Returns `None` if the name does not match the Claude Code MCP format.
/// Sanitized names never contain `__`, so the first `__` is always the
/// server/tool separator.
pub fn to_legacy_mcp_name(&self) -> Option<ToolName> {
let rest = self.0.strip_prefix("mcp__")?;
let (server, tool) = rest.split_once("__")?;
Some(ToolName::new(format!("mcp_{server}_tool_{tool}")))
}
}
impl From<String> for ToolName {
fn from(value: String) -> Self {
ToolName::new(value)
}
}
impl From<&str> for ToolName {
fn from(value: &str) -> Self {
ToolName::new(value)
}
}
pub trait NamedTool {
fn tool_name() -> ToolName;
}
impl Display for ToolName {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(f, "{}", self.0)
}
}
#[cfg(test)]
mod tests {
use pretty_assertions::assert_eq;
use super::*;
#[test]
fn test_sanitize_camel_case() {
let tool_name = ToolName::new("camelCase");
let actual = tool_name.into_sanitized();
let expected = ToolName::new("camelcase");
assert_eq!(actual, expected);
}
#[test]
fn test_sanitize_pascal_case() {
let tool_name = ToolName::new("PascalCase");
let actual = tool_name.into_sanitized();
let expected = ToolName::new("pascalcase");
assert_eq!(actual, expected);
}
#[test]
fn test_sanitize_mixed_case_with_numbers() {
let tool_name = ToolName::new("myTool2Name");
let actual = tool_name.into_sanitized();
let expected = ToolName::new("mytool2name");
assert_eq!(actual, expected);
}
#[test]
fn test_sanitize_special_characters() {
let tool_name = ToolName::new("tool-name@with#special$chars");
let actual = tool_name.into_sanitized();
let expected = ToolName::new("tool_name_with_special_chars");
assert_eq!(actual, expected);
}
#[test]
fn test_sanitize_whitespace() {
let tool_name = ToolName::new("tool name with spaces");
let actual = tool_name.into_sanitized();
let expected = ToolName::new("tool_name_with_spaces");
assert_eq!(actual, expected);
}
#[test]
fn test_sanitize_consecutive_special_chars() {
let tool_name = ToolName::new("tool---name___with@@@special");
let actual = tool_name.into_sanitized();
let expected = ToolName::new("tool_name_with_special");
assert_eq!(actual, expected);
}
#[test]
fn test_sanitize_leading_trailing_special_chars() {
let tool_name = ToolName::new("___tool_name___");
let actual = tool_name.into_sanitized();
let expected = ToolName::new("tool_name");
assert_eq!(actual, expected);
}
#[test]
fn test_sanitize_already_snake_case() {
let tool_name = ToolName::new("already_snake_case");
let actual = tool_name.into_sanitized();
let expected = ToolName::new("already_snake_case");
assert_eq!(actual, expected);
}
#[test]
fn test_sanitize_uppercase_letters() {
let tool_name = ToolName::new("UPPERCASE_TOOL_NAME");
let actual = tool_name.into_sanitized();
let expected = ToolName::new("uppercase_tool_name");
assert_eq!(actual, expected);
}
#[test]
fn test_sanitize_numbers_only() {
let tool_name = ToolName::new("123456");
let actual = tool_name.into_sanitized();
let expected = ToolName::new("123456");
assert_eq!(actual, expected);
}
#[test]
fn test_sanitize_mixed_numbers_and_letters() {
let tool_name = ToolName::new("tool1Name2Test3");
let actual = tool_name.into_sanitized();
let expected = ToolName::new("tool1name2test3");
assert_eq!(actual, expected);
}
#[test]
fn test_sanitize_empty_string() {
let tool_name = ToolName::new("");
let actual = tool_name.into_sanitized();
let expected = ToolName::new("");
assert_eq!(actual, expected);
}
#[test]
fn test_sanitize_only_special_chars() {
let tool_name = ToolName::new("@#$%^&*()");
let actual = tool_name.into_sanitized();
let expected = ToolName::new("");
assert_eq!(actual, expected);
}
#[test]
fn test_sanitize_complex_mixed_case() {
let tool_name = ToolName::new("XMLHttpRequest2Handler");
let actual = tool_name.into_sanitized();
let expected = ToolName::new("xmlhttprequest2handler");
assert_eq!(actual, expected);
}
#[test]
fn test_sanitize_dots_and_slashes() {
let tool_name = ToolName::new("tool.name/with.dots");
let actual = tool_name.into_sanitized();
let expected = ToolName::new("tool_name_with_dots");
assert_eq!(actual, expected);
}
#[test]
fn test_sanitize_single_underscore_preserved() {
let tool_name = ToolName::new("tool_name");
let actual = tool_name.into_sanitized();
let expected = ToolName::new("tool_name");
assert_eq!(actual, expected);
}
#[test]
fn test_sanitize_camel_case_with_underscore() {
let tool_name = ToolName::new("camelCase_withUnderscore");
let actual = tool_name.into_sanitized();
let expected = ToolName::new("camelcase_withunderscore");
assert_eq!(actual, expected);
}
#[test]
fn test_sanitize_numbers_between_letters() {
let tool_name = ToolName::new("tool1tool2tool3");
let actual = tool_name.into_sanitized();
let expected = ToolName::new("tool1tool2tool3");
assert_eq!(actual, expected);
}
#[test]
fn test_sanitize_mixed_case_preserves_numbers() {
let tool_name = ToolName::new("Test123Case");
let actual = tool_name.into_sanitized();
let expected = ToolName::new("test123case");
assert_eq!(actual, expected);
}
}
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