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-rw-r--r--src/exec/context.rs66
1 files changed, 29 insertions, 37 deletions
diff --git a/src/exec/context.rs b/src/exec/context.rs
index 6101047e..d33d62ef 100644
--- a/src/exec/context.rs
+++ b/src/exec/context.rs
@@ -6,9 +6,8 @@ use crate::env::Env;
use crate::eval::TemplateValue;
use crate::geom::{Align, Dir, Gen, GenAxis, Length, Linear, Sides, Size};
use crate::layout::{
- AnyNode, PadNode, PageRun, ParChild, ParNode, StackChild, StackNode, TextNode, Tree,
+ AnyNode, PadNode, PageRun, ParChild, ParNode, StackChild, StackNode, Tree,
};
-use crate::parse::{is_newline, Scanner};
use crate::syntax::Span;
/// The context for execution.
@@ -73,28 +72,14 @@ impl<'a> ExecContext<'a> {
/// Push a word space into the active paragraph.
pub fn push_word_space(&mut self) {
- let em = self.state.font.resolve_size();
- let amount = self.state.par.word_spacing.resolve(em);
- self.stack.par.push_soft(ParChild::Spacing(amount));
+ self.stack.par.push_soft(self.make_text_node(" "));
}
/// Push text into the active paragraph.
///
/// The text is split into lines at newlines.
- pub fn push_text(&mut self, text: &str) {
- let mut scanner = Scanner::new(text);
- let mut text = String::new();
-
- while let Some(c) = scanner.eat_merging_crlf() {
- if is_newline(c) {
- self.stack.par.push_text(mem::take(&mut text), &self.state);
- self.linebreak();
- } else {
- text.push(c);
- }
- }
-
- self.stack.par.push_text(text, &self.state);
+ pub fn push_text(&mut self, text: impl Into<String>) {
+ self.stack.par.push(self.make_text_node(text));
}
/// Push spacing into paragraph or stack depending on `axis`.
@@ -112,7 +97,7 @@ impl<'a> ExecContext<'a> {
/// Apply a forced line break.
pub fn linebreak(&mut self) {
- self.stack.par.push_hard(ParChild::Linebreak);
+ self.stack.par.push_hard(self.make_text_node("\n"));
}
/// Apply a forced paragraph break.
@@ -140,6 +125,12 @@ impl<'a> ExecContext<'a> {
self.pagebreak(true, false, Span::default());
Pass::new(self.tree, self.diags)
}
+
+ fn make_text_node(&self, text: impl Into<String>) -> ParChild {
+ let align = self.state.aligns.cross;
+ let props = self.state.font.resolve_props();
+ ParChild::Text(text.into(), props, align)
+ }
}
struct PageBuilder {
@@ -231,24 +222,10 @@ impl ParBuilder {
}
fn push(&mut self, child: ParChild) {
- self.children.extend(self.last.any());
- self.children.push(child);
- }
-
- fn push_text(&mut self, text: String, state: &State) {
- self.children.extend(self.last.any());
-
- let align = state.aligns.cross;
- let props = state.font.resolve_props();
-
- if let Some(ParChild::Text(prev, prev_align)) = self.children.last_mut() {
- if *prev_align == align && prev.props == props {
- prev.text.push_str(&text);
- return;
- }
+ if let Some(soft) = self.last.any() {
+ self.push_inner(soft);
}
-
- self.children.push(ParChild::Text(TextNode { text, props }, align));
+ self.push_inner(child);
}
fn push_soft(&mut self, child: ParChild) {
@@ -257,6 +234,21 @@ impl ParBuilder {
fn push_hard(&mut self, child: ParChild) {
self.last.hard();
+ self.push_inner(child);
+ }
+
+ fn push_inner(&mut self, child: ParChild) {
+ if let ParChild::Text(curr_text, curr_props, curr_align) = &child {
+ if let Some(ParChild::Text(prev_text, prev_props, prev_align)) =
+ self.children.last_mut()
+ {
+ if prev_align == curr_align && prev_props == curr_props {
+ prev_text.push_str(&curr_text);
+ return;
+ }
+ }
+ }
+
self.children.push(child);
}