mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer-rs.git
synced 2024-11-29 21:11:14 +00:00
Toc: serde impl
This commit is contained in:
François Laignel
Sebastian Dröge
parent
20834e475b
commit
3f0cd6fb87
3 changed files with 393 additions and 3 deletions
24
Gir_Gst.toml
24
Gir_Gst.toml
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@ -51,9 +51,6 @@ generate = [
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"Gst.TagSetter",
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"Gst.QOSType",
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"Gst.EventType",
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"Gst.TocScope",
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"Gst.TocEntryType",
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"Gst.TocLoopType",
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"Gst.TocSetter",
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"Gst.ClockType",
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"Gst.ElementFlags",
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@ -167,6 +164,27 @@ status = "generate"
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name = "Serialize, Deserialize"
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cfg_condition = "feature = \"ser_de\""
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[[object]]
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name = "Gst.TocScope"
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status = "generate"
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[[object.derive]]
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name = "Serialize, Deserialize"
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cfg_condition = "feature = \"ser_de\""
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[[object]]
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name = "Gst.TocEntryType"
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status = "generate"
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[[object.derive]]
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name = "Serialize, Deserialize"
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cfg_condition = "feature = \"ser_de\""
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[[object]]
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name = "Gst.TocLoopType"
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status = "generate"
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[[object.derive]]
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name = "Serialize, Deserialize"
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cfg_condition = "feature = \"ser_de\""
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[[object]]
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name = "Gst.Structure"
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status = "manual"
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@ -2493,6 +2493,7 @@ impl SetValue for TaskState {
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}
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#[derive(Clone, Copy, Debug, Eq, PartialEq, Hash)]
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#[cfg_attr(feature = "ser_de", derive(Serialize, Deserialize))]
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pub enum TocEntryType {
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Angle,
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Version,
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@ -2565,6 +2566,7 @@ impl SetValue for TocEntryType {
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}
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#[derive(Clone, Copy, Debug, Eq, PartialEq, Hash)]
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#[cfg_attr(feature = "ser_de", derive(Serialize, Deserialize))]
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pub enum TocLoopType {
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None,
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Forward,
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@ -2628,6 +2630,7 @@ impl SetValue for TocLoopType {
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}
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#[derive(Clone, Copy, Debug, Eq, PartialEq, Hash)]
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#[cfg_attr(feature = "ser_de", derive(Serialize, Deserialize))]
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pub enum TocScope {
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Global,
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Current,
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@ -263,6 +263,122 @@ impl fmt::Debug for TocEntryRef {
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unsafe impl Sync for TocEntryRef {}
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unsafe impl Send for TocEntryRef {}
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#[cfg(feature = "ser_de")]
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mod serde {
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use serde::de::{Deserialize, Deserializer};
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use serde::ser::{Serialize, Serializer, SerializeStruct};
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use tags::*;
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use super::*;
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impl Serialize for TocRef {
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fn serialize<S: Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
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let mut toc = serializer.serialize_struct("Toc", 3)?;
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toc.serialize_field("scope", &self.get_scope())?;
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toc.serialize_field("tags", &self.get_tags())?;
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toc.serialize_field("entries", &self.get_entries())?;
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toc.end()
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}
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}
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impl Serialize for Toc {
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fn serialize<S: Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
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self.as_ref().serialize(serializer)
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}
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}
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impl Serialize for TocEntryRef {
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fn serialize<S: Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
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let mut toc_entry = serializer.serialize_struct("TocEntry", 6)?;
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toc_entry.serialize_field("entry_type", &self.get_entry_type())?;
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toc_entry.serialize_field("uid", &self.get_uid())?;
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toc_entry.serialize_field("start_stop", &self.get_start_stop_times())?;
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toc_entry.serialize_field("tags", &self.get_tags())?;
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toc_entry.serialize_field("loop_", &self.get_loop())?;
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toc_entry.serialize_field("sub_entries", &self.get_sub_entries())?;
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toc_entry.end()
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}
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}
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impl Serialize for TocEntry {
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fn serialize<S: Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
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self.as_ref().serialize(serializer)
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}
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}
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#[derive(Deserialize)]
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struct TocDe {
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scope: TocScope,
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tags: Option<TagList>,
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entries: Vec<TocEntry>,
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}
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impl From<TocDe> for Toc {
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fn from(mut toc_de: TocDe) -> Self {
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let mut toc = Toc::new(toc_de.scope);
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{
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let toc = toc.get_mut().unwrap();
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if let Some(tags) = toc_de.tags.take() {
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toc.set_tags(tags);
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}
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let entry_iter = toc_de.entries.drain(..);
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for entry in entry_iter {
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toc.append_entry(entry);
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}
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}
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toc
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}
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}
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impl<'de> Deserialize<'de> for Toc {
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fn deserialize<D: Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error> {
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TocDe::deserialize(deserializer)
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.and_then(|toc_de| Ok(toc_de.into()))
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}
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}
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#[derive(Deserialize)]
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struct TocEntryDe {
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entry_type: TocEntryType,
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uid: String,
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start_stop: Option<(i64, i64)>,
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tags: Option<TagList>,
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loop_: Option<(TocLoopType, i32)>,
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sub_entries: Vec<TocEntry>,
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}
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impl From<TocEntryDe> for TocEntry {
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fn from(mut toc_entry_de: TocEntryDe) -> Self {
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let mut toc_entry = TocEntry::new(toc_entry_de.entry_type, toc_entry_de.uid.as_str());
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{
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let toc_entry = toc_entry.get_mut().unwrap();
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if let Some(start_stop) = toc_entry_de.start_stop.take() {
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toc_entry.set_start_stop_times(start_stop.0, start_stop.1);
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}
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if let Some(tags) = toc_entry_de.tags.take() {
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toc_entry.set_tags(tags);
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}
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if let Some(loop_) = toc_entry_de.loop_.take() {
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toc_entry.set_loop(loop_.0, loop_.1);
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}
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let entry_iter = toc_entry_de.sub_entries.drain(..);
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for sub_entries in entry_iter {
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toc_entry.append_sub_entry(sub_entries);
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}
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}
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toc_entry
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}
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}
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impl<'de> Deserialize<'de> for TocEntry {
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fn deserialize<D: Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error> {
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TocEntryDe::deserialize(deserializer)
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.and_then(|toc_entry_de| Ok(toc_entry_de.into()))
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}
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}
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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@ -311,4 +427,257 @@ mod tests {
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assert!(parent.is_some());
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assert_eq!(parent.unwrap().get_entry_type(), TocEntryType::Chapter);
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}
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#[cfg(feature = "ser_de")]
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#[test]
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fn test_serialize() {
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extern crate ron;
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use tags::Title;
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use super::*;
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::init().unwrap();
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let mut toc = Toc::new(TocScope::Global);
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{
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let toc = toc.get_mut().unwrap();
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let mut tags = TagList::new();
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tags.get_mut().unwrap().add::<Title>(&"toc", TagMergeMode::Append);
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toc.set_tags(tags);
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let mut toc_edition = TocEntry::new(TocEntryType::Edition, "edition");
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{
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let toc_edition = toc_edition.get_mut().unwrap();
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toc_edition.set_start_stop_times(0, 15);
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let mut toc_chap_1 = TocEntry::new(TocEntryType::Chapter, "chapter1");
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{
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let toc_chap_1 = toc_chap_1.get_mut().unwrap();
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toc_chap_1.set_start_stop_times(0, 10);
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let mut toc_chap_1_1 = TocEntry::new(TocEntryType::Chapter, "chapter1.1");
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{
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let toc_chap_1_1 = toc_chap_1_1.get_mut().unwrap();
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toc_chap_1_1.set_start_stop_times(0, 4);
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let mut tags = TagList::new();
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tags.get_mut().unwrap().add::<Title>(&"chapter 1.1", TagMergeMode::Append);
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toc_chap_1_1.set_tags(tags);
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}
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toc_chap_1.append_sub_entry(toc_chap_1_1);
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let mut toc_chap_1_2 = TocEntry::new(TocEntryType::Chapter, "chapter1.2");
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{
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let toc_chap_1_2 = toc_chap_1_2.get_mut().unwrap();
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toc_chap_1_2.set_start_stop_times(4, 10);
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let mut tags = TagList::new();
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tags.get_mut().unwrap().add::<Title>(&"chapter 1.2", TagMergeMode::Append);
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toc_chap_1_2.set_tags(tags);
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}
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toc_chap_1.append_sub_entry(toc_chap_1_2);
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}
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toc_edition.append_sub_entry(toc_chap_1);
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let mut toc_chap_2 = TocEntry::new(TocEntryType::Chapter, "chapter2");
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{
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let toc_chap_2 = toc_chap_2.get_mut().unwrap();
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toc_chap_2.set_start_stop_times(10, 15);
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let mut tags = TagList::new();
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tags.get_mut().unwrap().add::<Title>(&"chapter 2", TagMergeMode::Append);
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toc_chap_2.set_tags(tags);
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}
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toc_edition.append_sub_entry(toc_chap_2);
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}
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toc.append_entry(toc_edition);
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}
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// don't use newlines
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let mut pretty_config = ron::ser::PrettyConfig::default();
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pretty_config.new_line = "".to_string();
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let res = ron::ser::to_string_pretty(&toc, pretty_config);
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assert_eq!(
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Ok(
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concat!(
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"(",
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" scope: Global,",
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" tags: Some([",
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" (\"title\", \"toc\"),",
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" ]),",
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" entries: [",
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" (",
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" entry_type: Edition,",
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" uid: \"edition\",",
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" start_stop: Some((0, 15)),",
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" tags: None,",
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" loop_: Some((None, 0)),",
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" sub_entries: [",
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" (",
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" entry_type: Chapter,",
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" uid: \"chapter1\",",
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" start_stop: Some((0, 10)),",
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" tags: None,",
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" loop_: Some((None, 0)),",
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" sub_entries: [",
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" (",
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" entry_type: Chapter,",
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" uid: \"chapter1.1\",",
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" start_stop: Some((0, 4)),",
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" tags: Some([",
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" (\"title\", \"chapter 1.1\"),",
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" ]),",
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" loop_: Some((None, 0)),",
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" sub_entries: [",
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" ],",
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" ),",
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" (",
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" entry_type: Chapter,",
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" uid: \"chapter1.2\",",
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" start_stop: Some((4, 10)),",
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" tags: Some([",
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" (\"title\", \"chapter 1.2\"),",
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" ]),",
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" loop_: Some((None, 0)),",
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" sub_entries: [",
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" ],",
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" ),",
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" ],",
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" ),",
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" (",
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" entry_type: Chapter,",
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" uid: \"chapter2\",",
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" start_stop: Some((10, 15)),",
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" tags: Some([",
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" (\"title\", \"chapter 2\"),",
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" ]),",
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" loop_: Some((None, 0)),",
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" sub_entries: [",
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" ],",
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" ),",
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" ],",
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" ),",
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" ],",
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")",
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).to_owned()
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),
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res,
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);
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}
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#[cfg(feature = "ser_de")]
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#[test]
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fn test_deserialize() {
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extern crate ron;
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use tags::Title;
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::init().unwrap();
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let toc_ron = r#"
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(
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scope: Global,
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tags: Some([
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("title", "toc"),
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]),
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entries: [
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(
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entry_type: Edition,
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uid: "edition",
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start_stop: Some((0, 15)),
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tags: None,
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loop_: Some((None, 0)),
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sub_entries: [
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(
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entry_type: Chapter,
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uid: "chapter1",
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start_stop: Some((0, 10)),
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tags: None,
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loop_: Some((None, 0)),
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sub_entries: [
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(
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entry_type: Chapter,
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uid: "chapter1.1",
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start_stop: Some((0, 4)),
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tags: Some([
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("title", "chapter 1.1"),
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]),
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loop_: Some((None, 0)),
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sub_entries: [
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],
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),
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(
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entry_type: Chapter,
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uid: "chapter1.2",
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start_stop: Some((4, 10)),
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tags: Some([
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("title", "chapter 1.2"),
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]),
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loop_: Some((None, 0)),
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sub_entries: [
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],
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),
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],
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),
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(
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entry_type: Chapter,
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uid: "chapter2",
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start_stop: Some((10, 15)),
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tags: Some([
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("title", "chapter 2"),
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]),
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loop_: Some((None, 0)),
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sub_entries: [
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],
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),
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],
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),
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],
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)
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"#;
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let toc: Toc = ron::de::from_str(toc_ron).unwrap();
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assert_eq!(toc.get_scope(), TocScope::Global);
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let entries = toc.get_entries();
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assert_eq!(1, entries.len());
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let edition = &entries[0];
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assert_eq!(TocEntryType::Edition, edition.get_entry_type());
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assert_eq!("edition", edition.get_uid());
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assert!(edition.get_tags().is_none());
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assert_eq!(Some((0, 15)), edition.get_start_stop_times());
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let sub_entries = edition.get_sub_entries();
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assert_eq!(2, sub_entries.len());
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let chapter1 = &sub_entries[0];
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assert_eq!(TocEntryType::Chapter, chapter1.get_entry_type());
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assert_eq!("chapter1", chapter1.get_uid());
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assert!(chapter1.get_tags().is_none());
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assert_eq!(Some((0, 10)), chapter1.get_start_stop_times());
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let chap1_sub_entries = chapter1.get_sub_entries();
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assert_eq!(2, sub_entries.len());
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let chapter1_1 = &chap1_sub_entries[0];
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assert_eq!(TocEntryType::Chapter, chapter1_1.get_entry_type());
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assert_eq!("chapter1.1", chapter1_1.get_uid());
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assert_eq!(Some((0, 4)), chapter1_1.get_start_stop_times());
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let tags = chapter1_1.get_tags().unwrap();
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assert_eq!(Some("chapter 1.1"), tags.get_index::<Title>(0).unwrap().get());
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assert_eq!(0, chapter1_1.get_sub_entries().len());
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let chapter1_2 = &chap1_sub_entries[1];
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assert_eq!(TocEntryType::Chapter, chapter1_2.get_entry_type());
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assert_eq!("chapter1.2", chapter1_2.get_uid());
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assert_eq!(Some((4, 10)), chapter1_2.get_start_stop_times());
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let tags = chapter1_2.get_tags().unwrap();
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assert_eq!(Some("chapter 1.2"), tags.get_index::<Title>(0).unwrap().get());
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assert_eq!(0, chapter1_2.get_sub_entries().len());
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let chapter2 = &sub_entries[1];
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assert_eq!(TocEntryType::Chapter, chapter2.get_entry_type());
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assert_eq!("chapter2", chapter2.get_uid());
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let tags = chapter2.get_tags().unwrap();
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assert_eq!(Some("chapter 2"), tags.get_index::<Title>(0).unwrap().get());
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assert_eq!(Some((10, 15)), chapter2.get_start_stop_times());
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assert_eq!(0, chapter2.get_sub_entries().len());
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}
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}
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