Add text parser.

.gitignore

@@ -18,4 +18,7 @@ Cargo.lock
 
 # Intellij Files
 .idea/
-serde_ion.iml
+serde_ion.iml
+
+# VSCode Files
+.vscode/

Cargo.toml

@@ -25,22 +25,24 @@ travis-ci = { repository = "PeytonT/serde_ion", branch = "master" }
 
 [dependencies]
 serde = { version = "1.0", features = ["derive"] }
-serde_bytes = "0.10"
+serde_bytes = "0.11"
 serde_derive = "1.0"
 num-bigint = "0.2.2"
 num-traits = "0.2.8"
 num-derive = "0.3"
 bit-vec = "0.6"
-base64 = "0.10.1"
+base64 = "0.11"
 nom = "5.0.0"
 thiserror = "1.0.9"
 lazy_static = "1.4.0"
 itertools = "0.8.2"
-
+log = "0.4.8"
+time = "0.2.6"
 
 [dev-dependencies]
 hex = "0.4.0"
 pretty_assertions = "0.6.1"
+pretty_env_logger = "0.4.0"
 
 [build-dependencies]
 

src/error.rs

@@ -1,3 +1,5 @@
+use num_bigint::ParseBigIntError;
+use std::num::ParseFloatError;
 use thiserror::Error;
 
 pub type Result<T> = std::result::Result<T, Error>;
@@ -23,6 +25,14 @@ pub enum SymbolError {
     UnknownSymbolText(usize),
     #[error("the text for SID `{0}` is undefined")]
     UndefinedSymbolText(usize),
+    #[error("the provided symbol table is invalid")]
+    InvalidSymbolTable,
+    #[error("invalid max_id for import in symbol table: {0:?}")]
+    InvalidMaxId(String),
+    #[error("invalid version for import in symbol table: {0:?}")]
+    InvalidVersion(String),
+    #[error("invalid SID (outside numeric range): {0:?}")]
+    InvalidSid(String),
 }
 
 #[derive(Error, Debug, PartialEq)]
@@ -65,4 +75,22 @@ pub enum BinaryFormatError {
 pub enum TextFormatError {
     #[error("TODO")]
     TODO,
+    #[error("invalid hex escape: {0}")]
+    HexEscape(String),
+    #[error("unterminated short quoted string")]
+    OpenShortString,
+    #[error("unterminated long quoted string")]
+    OpenLongString,
+    #[error("invalid bigint")]
+    BigUint,
+    #[error("invalid bigint: {0}")]
+    BigInt(ParseBigIntError, String),
+    #[error("unable to decode Base64 value")]
+    Base64Decode,
+    #[error("unable to parse float value: {0}, {1}")]
+    FloatParse(String, ParseFloatError),
+    #[error("date out of range (invalid day)")]
+    DateOutOfRange,
+    #[error("Ion Version Marker indicates an unsupported version of Ion: {0}.{1}")]
+    UnsupportedVersion(u32, u32),
 }

src/parser/constants.rs

@@ -25,7 +25,7 @@ pub enum OperatorCharacter {
 impl OperatorCharacter {
     pub fn as_str(&self) -> String {
         match self {
-            &OperatorCharacter::PlaceHolder => todo!(),
+            OperatorCharacter::PlaceHolder => todo!(),
             // ...
         }
     }
@@ -68,21 +68,21 @@ pub enum NumericStopCharacter {
 impl NumericStopCharacter {
     pub fn as_str(&self) -> String {
         match self {
-            &NumericStopCharacter::LeftCurlyBracket => todo!(),
-            &NumericStopCharacter::RightCurlyBracket => todo!(),
-            &NumericStopCharacter::LeftSquareBracket => todo!(),
-            &NumericStopCharacter::RightSquareBracket => todo!(),
-            &NumericStopCharacter::LeftParenthesis => todo!(),
-            &NumericStopCharacter::RightParenthesis => todo!(),
-            &NumericStopCharacter::Comma => todo!(),
-            &NumericStopCharacter::QuotationMark => todo!(),
-            &NumericStopCharacter::Apostrophe => todo!(),
-            &NumericStopCharacter::Space => todo!(),
-            &NumericStopCharacter::Tab => todo!(),
-            &NumericStopCharacter::LineFeed => todo!(),
-            &NumericStopCharacter::CarriageReturn => todo!(),
-            &NumericStopCharacter::VerticalTab => todo!(),
-            &NumericStopCharacter::FormFeed => todo!(),
+            NumericStopCharacter::LeftCurlyBracket => todo!(),
+            NumericStopCharacter::RightCurlyBracket => todo!(),
+            NumericStopCharacter::LeftSquareBracket => todo!(),
+            NumericStopCharacter::RightSquareBracket => todo!(),
+            NumericStopCharacter::LeftParenthesis => todo!(),
+            NumericStopCharacter::RightParenthesis => todo!(),
+            NumericStopCharacter::Comma => todo!(),
+            NumericStopCharacter::QuotationMark => todo!(),
+            NumericStopCharacter::Apostrophe => todo!(),
+            NumericStopCharacter::Space => todo!(),
+            NumericStopCharacter::Tab => todo!(),
+            NumericStopCharacter::LineFeed => todo!(),
+            NumericStopCharacter::CarriageReturn => todo!(),
+            NumericStopCharacter::VerticalTab => todo!(),
+            NumericStopCharacter::FormFeed => todo!(),
         }
     }
 }
@@ -113,7 +113,7 @@ pub enum TextFormatEscapeCharacter {
 impl TextFormatEscapeCharacter {
     pub fn as_str(&self) -> String {
         match self {
-            &TextFormatEscapeCharacter::PlaceHolder => todo!(),
+            TextFormatEscapeCharacter::PlaceHolder => todo!(),
             // ...
         }
     }

src/parser/ion_1_0/binary.rs

@@ -50,7 +50,8 @@ fn parse_top_level_value<'a, 'b>(
                             // And the value of the annotation is "$ion_symbol_table"...
                             if *token == SYSTEM_SYMBOL_TABLE_V1.symbols[3] {
                                 // Then it is an update to the local symbol table. Apply it.
-                                update_current_symbol_table(symbol_table, ion_struct);
+                                update_current_symbol_table(symbol_table, ion_struct)
+                                    .map_err(|e| Err::Failure(IonError::from_symbol_error(i, e)))?;
                                 // And return no Value
                                 return Ok((rest, None));
                             }