1  // Copyright (c) 2019-2025 Alpha-Delta Network Inc.
 2  // This file is part of the deltavm library.
 3  
 4  // Licensed under the Apache License, Version 2.0 (the "License");
 5  // you may not use this file except in compliance with the License.
 6  // You may obtain a copy of the License at:
 7  
 8  // http://www.apache.org/licenses/LICENSE-2.0
 9  
10  // Unless required by applicable law or agreed to in writing, software
11  // distributed under the License is distributed on an "AS IS" BASIS,
12  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  // See the License for the specific language governing permissions and
14  // limitations under the License.
15  
16  use super::*;
17  
18  impl<N: Network> Parser for ProgramID<N> {
19      /// Parses a string into a program ID of the form `{name}.{network}`.
20      #[inline]
21      fn parse(string: &str) -> ParserResult<Self> {
22          // Parse the name, ".", and network-level domain (NLD) from the string.
23          map_res(pair(Identifier::parse, pair(tag("."), Identifier::parse)), |(name, (_, network))| {
24              // Return the program ID.
25              Self::try_from((name, network))
26          })(string)
27      }
28  }
29  
30  impl<N: Network> FromStr for ProgramID<N> {
31      type Err = Error;
32  
33      /// Parses a string into a program ID.
34      #[inline]
35      fn from_str(string: &str) -> Result<Self> {
36          match Self::parse(string) {
37              Ok((remainder, object)) => {
38                  // Ensure the remainder is empty.
39                  ensure!(remainder.is_empty(), "Failed to parse string. Found invalid character in: \"{remainder}\"");
40                  // Return the object.
41                  Ok(object)
42              }
43              Err(error) => bail!("Failed to parse string. {error}"),
44          }
45      }
46  }
47  
48  impl<N: Network> Debug for ProgramID<N> {
49      /// Prints the program ID as a string.
50      fn fmt(&self, f: &mut Formatter) -> fmt::Result {
51          Display::fmt(self, f)
52      }
53  }
54  
55  impl<N: Network> Display for ProgramID<N> {
56      /// Prints the program ID as a string.
57      fn fmt(&self, f: &mut Formatter) -> fmt::Result {
58          write!(f, "{name}.{network}", name = self.name, network = self.network)
59      }
60  }
61  
62  #[cfg(test)]
63  mod tests {
64      use super::*;
65      use deltavm_console_network::MainnetV0;
66  
67      type CurrentNetwork = MainnetV0;
68  
69      #[test]
70      fn test_parse() -> Result<()> {
71          let id = ProgramID::<CurrentNetwork>::parse("bar.delta").unwrap().1;
72          assert_eq!(id.name(), &Identifier::<CurrentNetwork>::from_str("bar")?);
73          assert_eq!(id.network(), &Identifier::<CurrentNetwork>::from_str("delta")?);
74  
75          assert!(ProgramID::<CurrentNetwork>::parse("foo").is_err());
76  
77          Ok(())
78      }
79  
80      #[test]
81      fn test_display() -> Result<()> {
82          let id = ProgramID::<CurrentNetwork>::from_str("bar.delta")?;
83          assert_eq!("bar.delta", id.to_string());
84  
85          assert!(ProgramID::<CurrentNetwork>::from_str("foo").is_err());
86          assert!(ProgramID::<CurrentNetwork>::from_str("Bar.delta").is_err());
87          assert!(ProgramID::<CurrentNetwork>::from_str("foO.delta").is_err());
88          assert!(ProgramID::<CurrentNetwork>::from_str("0foo.delta").is_err());
89          assert!(ProgramID::<CurrentNetwork>::from_str("0_foo.delta").is_err());
90          assert!(ProgramID::<CurrentNetwork>::from_str("_foo.delta").is_err());
91  
92          Ok(())
93      }
94  }