forked from encounter/objdiff
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathdata_diff.rs
More file actions
297 lines (277 loc) · 10.5 KB
/
data_diff.rs
File metadata and controls
297 lines (277 loc) · 10.5 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
use std::{cmp::min, default::Default, mem::take};
use egui::{text::LayoutJob, Id, Label, RichText, Sense, Widget};
use objdiff_core::{
diff::{ObjDataDiff, ObjDataDiffKind, ObjDiff},
obj::ObjInfo,
};
use time::format_description;
use crate::{
hotkeys,
views::{
appearance::Appearance,
column_layout::{render_header, render_table},
symbol_diff::{DiffViewAction, DiffViewNavigation, DiffViewState},
write_text,
},
};
const BYTES_PER_ROW: usize = 16;
fn find_section(obj: &ObjInfo, section_name: &str) -> Option<usize> {
obj.sections.iter().position(|section| section.name == section_name)
}
fn data_row_ui(ui: &mut egui::Ui, address: usize, diffs: &[ObjDataDiff], appearance: &Appearance) {
if diffs.iter().any(|d| d.kind != ObjDataDiffKind::None) {
ui.painter().rect_filled(ui.available_rect_before_wrap(), 0.0, ui.visuals().faint_bg_color);
}
let mut job = LayoutJob::default();
write_text(
format!("{address:08x}: ").as_str(),
appearance.text_color,
&mut job,
appearance.code_font.clone(),
);
let mut cur_addr = 0usize;
for diff in diffs {
let base_color = match diff.kind {
ObjDataDiffKind::None => appearance.text_color,
ObjDataDiffKind::Replace => appearance.replace_color,
ObjDataDiffKind::Delete => appearance.delete_color,
ObjDataDiffKind::Insert => appearance.insert_color,
};
if diff.data.is_empty() {
let mut str = " ".repeat(diff.len);
str.push_str(" ".repeat(diff.len / 8).as_str());
write_text(str.as_str(), base_color, &mut job, appearance.code_font.clone());
cur_addr += diff.len;
} else {
let mut text = String::new();
for byte in &diff.data {
text.push_str(format!("{byte:02x} ").as_str());
cur_addr += 1;
if cur_addr % 8 == 0 {
text.push(' ');
}
}
write_text(text.as_str(), base_color, &mut job, appearance.code_font.clone());
}
}
if cur_addr < BYTES_PER_ROW {
let n = BYTES_PER_ROW - cur_addr;
let mut str = " ".to_string();
str.push_str(" ".repeat(n).as_str());
str.push_str(" ".repeat(n / 8).as_str());
write_text(str.as_str(), appearance.text_color, &mut job, appearance.code_font.clone());
}
write_text(" ", appearance.text_color, &mut job, appearance.code_font.clone());
for diff in diffs {
let base_color = match diff.kind {
ObjDataDiffKind::None => appearance.text_color,
ObjDataDiffKind::Replace => appearance.replace_color,
ObjDataDiffKind::Delete => appearance.delete_color,
ObjDataDiffKind::Insert => appearance.insert_color,
};
if diff.data.is_empty() {
write_text(
" ".repeat(diff.len).as_str(),
base_color,
&mut job,
appearance.code_font.clone(),
);
} else {
let mut text = String::new();
for byte in &diff.data {
let c = char::from(*byte);
if c.is_ascii() && !c.is_ascii_control() {
text.push(c);
} else {
text.push('.');
}
}
write_text(text.as_str(), base_color, &mut job, appearance.code_font.clone());
}
}
Label::new(job).sense(Sense::click()).ui(ui);
// .on_hover_ui_at_pointer(|ui| ins_hover_ui(ui, ins))
// .context_menu(|ui| ins_context_menu(ui, ins));
}
fn split_diffs(diffs: &[ObjDataDiff]) -> Vec<Vec<ObjDataDiff>> {
let mut split_diffs = Vec::<Vec<ObjDataDiff>>::new();
let mut row_diffs = Vec::<ObjDataDiff>::new();
let mut cur_addr = 0usize;
for diff in diffs {
let mut cur_len = 0usize;
while cur_len < diff.len {
let remaining_len = diff.len - cur_len;
let mut remaining_in_row = BYTES_PER_ROW - (cur_addr % BYTES_PER_ROW);
let len = min(remaining_len, remaining_in_row);
row_diffs.push(ObjDataDiff {
data: if diff.data.is_empty() {
Vec::new()
} else {
diff.data[cur_len..cur_len + len].to_vec()
},
kind: diff.kind,
len,
// TODO
symbol: String::new(),
});
remaining_in_row -= len;
cur_len += len;
cur_addr += len;
if remaining_in_row == 0 {
split_diffs.push(take(&mut row_diffs));
}
}
}
if !row_diffs.is_empty() {
split_diffs.push(take(&mut row_diffs));
}
split_diffs
}
#[derive(Clone, Copy)]
struct SectionDiffContext<'a> {
obj: &'a ObjInfo,
diff: &'a ObjDiff,
section_index: Option<usize>,
}
impl<'a> SectionDiffContext<'a> {
pub fn new(obj: Option<&'a (ObjInfo, ObjDiff)>, section_name: Option<&str>) -> Option<Self> {
obj.map(|(obj, diff)| Self {
obj,
diff,
section_index: section_name.and_then(|section_name| find_section(obj, section_name)),
})
}
#[inline]
pub fn has_section(&self) -> bool { self.section_index.is_some() }
}
fn data_table_ui(
ui: &mut egui::Ui,
available_width: f32,
left_ctx: Option<SectionDiffContext<'_>>,
right_ctx: Option<SectionDiffContext<'_>>,
config: &Appearance,
) -> Option<()> {
let left_section = left_ctx
.and_then(|ctx| ctx.section_index.map(|i| (&ctx.obj.sections[i], &ctx.diff.sections[i])));
let right_section = right_ctx
.and_then(|ctx| ctx.section_index.map(|i| (&ctx.obj.sections[i], &ctx.diff.sections[i])));
let total_bytes = left_section
.or(right_section)?
.1
.data_diff
.iter()
.fold(0usize, |accum, item| accum + item.len);
if total_bytes == 0 {
return None;
}
let total_rows = (total_bytes - 1) / BYTES_PER_ROW + 1;
let left_diffs = left_section.map(|(_, section)| split_diffs(§ion.data_diff));
let right_diffs = right_section.map(|(_, section)| split_diffs(§ion.data_diff));
hotkeys::check_scroll_hotkeys(ui, true);
render_table(ui, available_width, 2, config.code_font.size, total_rows, |row, column| {
let i = row.index();
let address = i * BYTES_PER_ROW;
row.col(|ui| {
if column == 0 {
if let Some(left_diffs) = &left_diffs {
data_row_ui(ui, address, &left_diffs[i], config);
}
} else if column == 1 {
if let Some(right_diffs) = &right_diffs {
data_row_ui(ui, address, &right_diffs[i], config);
}
}
});
});
Some(())
}
#[must_use]
pub fn data_diff_ui(
ui: &mut egui::Ui,
state: &DiffViewState,
appearance: &Appearance,
) -> Option<DiffViewAction> {
let mut ret = None;
let Some(result) = &state.build else {
return ret;
};
let section_name =
state.symbol_state.left_symbol.as_ref().and_then(|s| s.section_name.as_deref()).or_else(
|| state.symbol_state.right_symbol.as_ref().and_then(|s| s.section_name.as_deref()),
);
let left_ctx = SectionDiffContext::new(result.first_obj.as_ref(), section_name);
let right_ctx = SectionDiffContext::new(result.second_obj.as_ref(), section_name);
// If both sides are missing a symbol, switch to symbol diff view
if !right_ctx.is_some_and(|ctx| ctx.has_section())
&& !left_ctx.is_some_and(|ctx| ctx.has_section())
{
return Some(DiffViewAction::Navigate(DiffViewNavigation::symbol_diff()));
}
// Header
let available_width = ui.available_width();
render_header(ui, available_width, 2, |ui, column| {
if column == 0 {
// Left column
if ui.button("⏴ Back").clicked() || hotkeys::back_pressed(ui.ctx()) {
ret = Some(DiffViewAction::Navigate(DiffViewNavigation::symbol_diff()));
}
if let Some(section) =
left_ctx.and_then(|ctx| ctx.section_index.map(|i| &ctx.obj.sections[i]))
{
ui.label(
RichText::new(section.name.clone())
.font(appearance.code_font.clone())
.color(appearance.highlight_color),
);
} else {
ui.label(
RichText::new("Missing")
.font(appearance.code_font.clone())
.color(appearance.replace_color),
);
}
} else if column == 1 {
// Right column
ui.horizontal(|ui| {
if ui.add_enabled(!state.build_running, egui::Button::new("Build")).clicked() {
ret = Some(DiffViewAction::Build);
}
ui.scope(|ui| {
ui.style_mut().override_text_style = Some(egui::TextStyle::Monospace);
if state.build_running {
ui.colored_label(appearance.replace_color, "Building…");
} else {
ui.label("Last built:");
let format = format_description::parse("[hour]:[minute]:[second]").unwrap();
ui.label(
result.time.to_offset(appearance.utc_offset).format(&format).unwrap(),
);
}
});
});
if let Some(section) =
right_ctx.and_then(|ctx| ctx.section_index.map(|i| &ctx.obj.sections[i]))
{
ui.label(
RichText::new(section.name.clone())
.font(appearance.code_font.clone())
.color(appearance.highlight_color),
);
} else {
ui.label(
RichText::new("Missing")
.font(appearance.code_font.clone())
.color(appearance.replace_color),
);
}
}
});
// Table
let id =
Id::new(state.symbol_state.left_symbol.as_ref().and_then(|s| s.section_name.as_deref()))
.with(state.symbol_state.right_symbol.as_ref().and_then(|s| s.section_name.as_deref()));
ui.push_id(id, |ui| {
data_table_ui(ui, available_width, left_ctx, right_ctx, appearance);
});
ret
}