aether-azathoth 0.5.3

// stdlib/examples/string_demo.aether
// 字符串工具库使用示例

// 加载字符串工具库
// 注意：需要先运行 ../string_utils.aether

PRINTLN("═══════════════════════════════════════════════")
PRINTLN("String Utils Library Demo")
PRINTLN("═══════════════════════════════════════════════")

// ==================== 字符串修剪 ====================
PRINTLN("")
PRINTLN("▶ String Trimming:")

Set STR1 "   Hello World   "
Set TRIMMED STR_TRIM(STR1)
PRINTLN("Original: '" + STR1 + "'")
PRINTLN("Trimmed:  '" + TRIMMED + "'")

Set STR2 "   Left spaces"
Set LEFT_TRIMMED STR_TRIM_LEFT(STR2)
PRINTLN("Left trim: '" + LEFT_TRIMMED + "'")

// ==================== 字符串填充 ====================
PRINTLN("")
PRINTLN("▶ String Padding:")

Set NUM "42"
Set PADDED_LEFT STR_PAD_LEFT(NUM, 5, "0")
PRINTLN("Pad left:   '" + PADDED_LEFT + "'")

Set NAME "Alice"
Set PADDED_RIGHT STR_PAD_RIGHT(NAME, 10, " ")
PRINTLN("Pad right:  '" + PADDED_RIGHT + "'")

Set TITLE "Hello"
Set CENTERED STR_PAD_CENTER(TITLE, 15, "-")
PRINTLN("Centered:   '" + CENTERED + "'")

// ==================== 字符串重复 ====================
PRINTLN("")
PRINTLN("▶ String Repeat:")

Set PATTERN "=*="
Set REPEATED STR_REPEAT(PATTERN, 5)
PRINTLN("Repeat 5 times: " + REPEATED)

// ==================== 字符串反转 ====================
PRINTLN("")
PRINTLN("▶ String Reverse:")

Set ORIGINAL "Aether"
Set REVERSED STR_REVERSE(ORIGINAL)
PRINTLN("Original: " + ORIGINAL)
PRINTLN("Reversed: " + REVERSED)

// ==================== 字符串查询 ====================
PRINTLN("")
PRINTLN("▶ String Search:")

Set TEXT "The quick brown fox jumps over the lazy dog"
Set CONTAINS_FOX STR_CONTAINS(TEXT, "fox")
PRINTLN("Contains 'fox': " + TO_STRING(CONTAINS_FOX))

Set STARTS STR_STARTS_WITH(TEXT, "The")
PRINTLN("Starts with 'The': " + TO_STRING(STARTS))

Set ENDS STR_ENDS_WITH(TEXT, "dog")
PRINTLN("Ends with 'dog': " + TO_STRING(ENDS))

Set INDEX STR_INDEX_OF(TEXT, "fox")
PRINTLN("Index of 'fox': " + TO_STRING(INDEX))

// ==================== 字符串替换 ====================
PRINTLN("")
PRINTLN("▶ String Replace:")

Set MESSAGE "Hello World, World is beautiful"
Set REPLACED STR_REPLACE_ALL(MESSAGE, "World", "Aether")
PRINTLN("Original: " + MESSAGE)
PRINTLN("Replaced: " + REPLACED)

Set MSG2 "Hello World, World is great"
Set REPLACED_FIRST STR_REPLACE_FIRST(MSG2, "World", "Aether")
PRINTLN("Replace first: " + REPLACED_FIRST)

// ==================== 字符串分割和连接 ====================
PRINTLN("")
PRINTLN("▶ String Split & Join:")

Set CSV "apple,banana,cherry,date"
Set FRUITS STR_SPLIT(CSV, ",")
PRINTLN("Split by comma:")
Set I 0
Set LEN_ LEN(FRUITS)
While (I < LEN_) {
    PRINTLN("  " + TO_STRING(I) + ": " + FRUITS[I])
    Set I (I + 1)
}

Set JOINED STR_JOIN(FRUITS, " | ")
PRINTLN("Joined: " + JOINED)

// ==================== 字符串检查 ====================
PRINTLN("")
PRINTLN("▶ String Validation:")

Set EMPTY_STR ""
Set IS_EMPTY STR_IS_EMPTY(EMPTY_STR)
PRINTLN("Empty string check: " + TO_STRING(IS_EMPTY))

Set BLANK_STR "   "
Set IS_BLANK STR_IS_BLANK(BLANK_STR)
PRINTLN("Blank string check: " + TO_STRING(IS_BLANK))

Set NUM_STR "12345"
Set IS_NUMERIC STR_IS_NUMERIC(NUM_STR)
PRINTLN("Is numeric '12345': " + TO_STRING(IS_NUMERIC))

Set ALPHA_STR "Hello"
Set IS_ALPHA STR_IS_ALPHA(ALPHA_STR)
PRINTLN("Is alpha 'Hello': " + TO_STRING(IS_ALPHA))

Set ALPHANUM_STR "Hello123"
Set IS_ALPHANUM STR_IS_ALPHANUMERIC(ALPHANUM_STR)
PRINTLN("Is alphanumeric 'Hello123': " + TO_STRING(IS_ALPHANUM))

// ==================== 大小写转换 ====================
PRINTLN("")
PRINTLN("▶ Case Conversion:")

Set LOWER_TEXT "hello world"
Set UPPER_TEXT STR_TO_UPPER(LOWER_TEXT)
PRINTLN("Uppercase: " + UPPER_TEXT)

Set UPPER_TEXT2 "HELLO WORLD"
Set LOWER_TEXT2 STR_TO_LOWER(UPPER_TEXT2)
PRINTLN("Lowercase: " + LOWER_TEXT2)

PRINTLN("")
PRINTLN("═══════════════════════════════════════════════")
PRINTLN("String Utils Demo Complete!")
PRINTLN("═══════════════════════════════════════════════")