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-rw-r--r--examples/config.rs2
-rw-r--r--examples/simple.rs2
-rw-r--r--src/backend/dialoguer.rs18
-rw-r--r--src/value_builder.rs2
-rw-r--r--tests/bool.rs2
-rw-r--r--tests/common/mod.rs6
-rw-r--r--tests/struct.rs2
7 files changed, 19 insertions, 15 deletions
diff --git a/examples/config.rs b/examples/config.rs
index 453b2e2..25610ff 100644
--- a/examples/config.rs
+++ b/examples/config.rs
@@ -22,7 +22,7 @@ impl<B: 'static + Backend> CollectionBuilder for ConfigStructBuilder<B> {
fn build_collection(&self, value_desc: &str) -> Result<Self::Output> {
println!("Building {}", value_desc);
- let verbose = bool::builder(self.0).build_value("Be verbose?")?;
+ let verbose = bool::builder(self.0).build_value("Be verbose?", Some(&false))?;
let values = Vec::<u8>::builder(self.0).build_collection("List of values")?;
Ok(Configuration {
diff --git a/examples/simple.rs b/examples/simple.rs
index bd406c4..a9dd6c9 100644
--- a/examples/simple.rs
+++ b/examples/simple.rs
@@ -2,7 +2,7 @@ use interactive_object_builder::*;
use interactive_object_builder::backend::dialoguer::DialoguerBackend;
fn main() -> Result<()> {
- let b = bool::builder(DialoguerBackend).build_value("Success?")?;
+ let b = bool::builder(DialoguerBackend).build_value("Success?", Some(&false))?;
if b {
println!("Success");
diff --git a/src/backend/dialoguer.rs b/src/backend/dialoguer.rs
index 564750f..53eae8d 100644
--- a/src/backend/dialoguer.rs
+++ b/src/backend/dialoguer.rs
@@ -101,11 +101,15 @@ impl<T> ValueBuilder for DialoguerValueBuilder<T>
{
type Output = T;
- fn build_value(&self, question: &str) -> Result<Self::Output> {
- dialoguer::Input::<T>::new()
- .with_prompt(question)
- .interact_text()
- .map_err(crate::error::IOBError::from)
+ fn build_value(&self, question: &str, default: Option<&Self::Output>) -> Result<Self::Output> {
+ let mut dia = dialoguer::Input::<T>::new();
+ dia.with_prompt(question);
+
+ if let Some(def) = default {
+ dia.with_initial_text(def.to_string());
+ }
+
+ dia.interact_text().map_err(crate::error::IOBError::from)
}
}
@@ -121,7 +125,7 @@ impl<T: BuildableValue> CollectionBuilder for DialoguerOptionValueBuilder<T> {
if b {
T::builder(DialoguerBackend)
- .build_value(value_desc)
+ .build_value(value_desc, None)
.map(Some)
} else {
Ok(None)
@@ -140,7 +144,7 @@ impl<T> CollectionBuilder for DialoguerVecBuilder<T>
let mut buf = vec![];
loop {
- let v: T = T::builder(DialoguerBackend).build_value(value_desc)?;
+ let v: T = T::builder(DialoguerBackend).build_value(value_desc, None)?;
buf.push(v);
if !dialoguer::Input::<bool>::new().with_prompt("Another one?").interact_text()? {
diff --git a/src/value_builder.rs b/src/value_builder.rs
index d7e045b..e450843 100644
--- a/src/value_builder.rs
+++ b/src/value_builder.rs
@@ -4,6 +4,6 @@ use crate::error::Result;
pub trait ValueBuilder {
type Output: Sized;
- fn build_value(&self, question: &str) -> Result<Self::Output>;
+ fn build_value(&self, question: &str, default: Option<&Self::Output>) -> Result<Self::Output>;
}
diff --git a/tests/bool.rs b/tests/bool.rs
index 17d23e8..d08b5b0 100644
--- a/tests/bool.rs
+++ b/tests/bool.rs
@@ -5,7 +5,7 @@ use interactive_object_builder::*;
#[test]
fn test_build_value() {
- let v = bool::builder(DummyBackend).build_value("Are you sure?").unwrap();
+ let v = bool::builder(DummyBackend).build_value("Are you sure?", Some(&false)).unwrap();
assert!(v);
}
diff --git a/tests/common/mod.rs b/tests/common/mod.rs
index 0ab668a..7e111a5 100644
--- a/tests/common/mod.rs
+++ b/tests/common/mod.rs
@@ -75,7 +75,7 @@ pub struct BoolValBuilder;
impl ValueBuilder for BoolValBuilder {
type Output = bool;
- fn build_value(&self, _question: &str) -> Result<Self::Output> {
+ fn build_value(&self, _question: &str, _default: Option<&Self::Output>) -> Result<Self::Output> {
Ok(true)
}
}
@@ -84,7 +84,7 @@ pub struct U8ValueBuilder;
impl ValueBuilder for U8ValueBuilder {
type Output = u8;
- fn build_value(&self, _question: &str) -> Result<Self::Output> {
+ fn build_value(&self, _question: &str, _default: Option<&Self::Output>) -> Result<Self::Output> {
Ok(42)
}
}
@@ -97,7 +97,7 @@ impl<T: BuildableValue> CollectionBuilder for VecBuilder<T> {
let mut buf = vec![];
loop {
- let v: T = T::builder(DummyBackend).build_value(value_desc)?;
+ let v: T = T::builder(DummyBackend).build_value(value_desc, None)?;
buf.push(v);
if buf.len() == 3 {
diff --git a/tests/struct.rs b/tests/struct.rs
index 9845278..3a14750 100644
--- a/tests/struct.rs
+++ b/tests/struct.rs
@@ -23,7 +23,7 @@ impl<B: 'static + Backend> CollectionBuilder for ConfigStructBuilder<B> {
fn build_collection(&self, value_desc: &str) -> Result<Self::Output> {
println!("Building {}", value_desc);
- let verbose = bool::builder(self.0).build_value(value_desc)?;
+ let verbose = bool::builder(self.0).build_value(value_desc, None)?;
let values = Vec::<u8>::builder(self.0).build_collection(value_desc)?;
Ok(Configuration {