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
use std::collections::HashMap;
use crate::multistackvm::VM;
use rust_dynamic::value::Value;
use rust_dynamic::types::*;
use leon::{Template};
use easy_error::{Error, bail};
#[time_graph::instrument]
pub fn stdlib_string_format(vm: &mut VM) -> Result<&mut VM, Error> {
if vm.stack.current_stack_len() < 1 {
bail!("Stack is too shallow for inline format");
}
match vm.stack.pull() {
Some(tpl_value) => {
match tpl_value.cast_string() {
Ok(str_tpl) => {
let template = match Template::parse(str_tpl.as_str()) {
Ok(template) => template,
Err(err) => {
bail!("FORMAT error parsing template: {}", err);
}
};
let mut values: HashMap<String, String> = HashMap::new();
for name in template.keys() {
if values.contains_key(&name.to_string().clone()) {
continue;
}
match vm.stack.pull() {
Some(value) => {
match value.conv(STRING) {
Ok(str_val) => {
match str_val.cast_string() {
Ok(val) => {
values.insert(name.to_string(), val);
}
Err(err) => {
bail!("FORMAT error casting: {}", err);
}
}
}
Err(err) => {
bail!("FORMAT error converting: {}", err);
}
}
}
None => {
bail!("FORMAT: stack is too shallow");
}
}
}
let res = match template.render(&values) {
Ok(res) => res.to_string(),
Err(err) => {
bail!("FORMAT error rendering: {}", err);
}
};
vm.stack.push(Value::from_string(res));
}
Err(err) => {
bail!("FORMAT return error: {}", err);
}
}
}
None => {
bail!("FORMAT returns: NO DATA #1");
}
}
Ok(vm)
}
#[time_graph::instrument]
pub fn stdlib_string_format_in_workbench(vm: &mut VM) -> Result<&mut VM, Error> {
if vm.stack.workbench.len() < 1 {
bail!("Stack is too shallow for inline format.");
}
match vm.stack.pull_from_workbench() {
Some(tpl_value) => {
match tpl_value.cast_string() {
Ok(str_tpl) => {
let template = match Template::parse(str_tpl.as_str()) {
Ok(template) => template,
Err(err) => {
bail!("FORMAT error parsing template: {}", err);
}
};
let mut values: HashMap<String, String> = HashMap::new();
for name in template.keys() {
if values.contains_key(&name.to_string().clone()) {
continue;
}
match vm.stack.pull() {
Some(value) => {
match value.conv(STRING) {
Ok(str_val) => {
match str_val.cast_string() {
Ok(val) => {
values.insert(name.to_string(), val);
}
Err(err) => {
bail!("FORMAT error casting: {}", err);
}
}
}
Err(err) => {
bail!("FORMAT error converting: {}", err);
}
}
}
None => {
bail!("FORMAT: stack is too shallow");
}
}
}
let res = match template.render(&values) {
Ok(res) => res.to_string(),
Err(err) => {
bail!("FORMAT error rendering: {}", err);
}
};
vm.stack.push(Value::from_string(res));
}
Err(err) => {
bail!("FORMAT return error: {}", err);
}
}
}
None => {
bail!("FORMAT returns: NO DATA #1");
}
}
Ok(vm)
}
pub fn init_stdlib(vm: &mut VM) {
let _ = vm.register_inline("format".to_string(), stdlib_string_format);
let _ = vm.register_inline("format.".to_string(), stdlib_string_format_in_workbench);
}