Add color echo functions to stdlib

src/std/env.ab

@@ -1,4 +1,5 @@
 import * from "std/fs"
+import * from "std/text"
 
 pub fun get_env_var(var: Text, file: Text = ".env"): Text {
     let _var = unsafe $echo "\$\{!var}"$
@@ -74,3 +75,53 @@ pub fun is_root(): Bool {
 
     return false
 }
+
+pub fun printf(format: Text, args: [Text] = [""]): Null {
+    unsafe ${nameof args}=("{format}" "\$\{{nameof args}[@]}")$
+    unsafe $printf "\$\{{nameof args}[@]}"$
+}
+
+pub fun printf_escape(text: Text): Text {
+    return unsafe $echo \${nameof text} | sed -e 's/\\\\/\\\\\\\\/g' -e "s/%/%%/g"$
+}
+
+pub fun text_shell(message: Text, style: Num, fg: Num, bg: Num): Text {
+    return "\x1b[{style};{fg};{bg}m{printf_escape(message)}\x1b[0m"
+}
+
+pub fun text_bold(message: Text): Text {
+    return "\x1b[1m{printf_escape(message)}\x1b[0m"
+}
+
+pub fun text_italic(message: Text): Text {
+    return "\x1b[3m{printf_escape(message)}\x1b[0m"
+}
+
+pub fun text_underlined(message: Text): Text {
+    return "\x1b[4m{printf_escape(message)}\x1b[0m"
+}
+
+pub fun color_echo(message: Text, color: Num): Null {
+    printf("\x1b[{color as Text}m%s\x1b[0m\n", [message])
+}
+
+pub fun echo_info(message: Text): Null {
+    printf("\x1b[1;3;97;44m %s \x1b[0m\n", [message])
+}
+
+pub fun echo_success(message: Text): Null {
+    printf("\x1b[1;3;97;42m %s \x1b[0m\n", [message])
+}
+
+pub fun echo_warning(message: Text): Null {
+    printf("\x1b[1;3;97;43m %s \x1b[0m\n", [message])
+}
+
+pub fun error(message: Text, exit_code: Num = 1): Null {
+    printf("\x1b[1;3;97;41m %s \x1b[0m\n", [message])
+    if exit_code > 0 : exit(exit_code)
+}
+
+
+
+

src/tests/stdlib/color_echo.ab

@@ -0,0 +1,4 @@
+import * from "std/env"
+main {
+    color_echo("Hello Amber!", 33)
+} 

src/tests/stdlib/color_echo.output.txt

@@ -0,0 +1 @@
+Hello Amber!

src/tests/stdlib/echo_info.ab

@@ -0,0 +1,4 @@
+import * from "std/env"
+main {
+    echo_info("Hello Amber!")
+} 

src/tests/stdlib/echo_info.output.txt

@@ -0,0 +1 @@
+ Hello Amber! 

src/tests/stdlib/echo_success.ab

@@ -0,0 +1,4 @@
+import * from "std/env"
+main {
+    echo_success("Hello Amber!")
+} 

src/tests/stdlib/echo_success.output.txt

@@ -0,0 +1 @@
+ Hello Amber! 

src/tests/stdlib/echo_warning.ab

@@ -0,0 +1,4 @@
+import * from "std/env"
+main {
+    echo_warning("Hello Amber!")
+} 

src/tests/stdlib/echo_warning.output.txt

@@ -0,0 +1 @@
+ Hello Amber! 

src/tests/stdlib/error.ab

@@ -0,0 +1,4 @@
+import * from "std/env"
+main {
+    error("Hello Amber!", 0)
+} 

src/tests/stdlib/error.output.txt

@@ -0,0 +1 @@
+ Hello Amber! 

src/tests/stdlib/printf.ab

@@ -0,0 +1,5 @@
+import * from "std/env"
+
+main {
+    printf("%s,%s!\n", ["Hello", " Amber"])
+} 

src/tests/stdlib/printf.output.txt

@@ -0,0 +1 @@
+Hello, Amber!

src/tests/stdlib/printf_escape.ab

@@ -0,0 +1,5 @@
+import * from "std/env"
+
+main {
+    echo printf_escape("Hello \v Amber %T")
+} 

src/tests/stdlib/printf_escape.output.txt

@@ -0,0 +1 @@
+Hello \\v Amber %%T

src/tests/stdlib/text_bold.ab

@@ -0,0 +1,4 @@
+import * from "std/env"
+main {
+    echo text_bold("Hello Amber!")
+} 

src/tests/stdlib/text_bold.output.txt

@@ -0,0 +1 @@
+\x1b[1mHello Amber!\x1b[0m

src/tests/stdlib/text_italic.ab

@@ -0,0 +1,4 @@
+import * from "std/env"
+main {
+    echo text_italic("Hello Amber!")
+} 

src/tests/stdlib/text_italic.output.txt

@@ -0,0 +1 @@
+\x1b[3mHello Amber!\x1b[0m

src/tests/stdlib/text_shell.ab

@@ -0,0 +1,4 @@
+import * from "std/env"
+main {
+    echo text_shell("Hello Amber!", 31, 1, 42)
+} 

src/tests/stdlib/text_shell.output.txt

@@ -0,0 +1 @@
+\x1b[31;1;42mHello Amber!\x1b[0m

src/tests/stdlib/text_underlined.ab

@@ -0,0 +1,4 @@
+import * from "std/env"
+main {
+    echo text_underlined("Hello Amber!")
+} 

src/tests/stdlib/text_underlined.output.txt

@@ -0,0 +1 @@
+\x1b[4mHello Amber!\x1b[0m