Initial commit.

zsh/lib/logger.lib.sh

@@ -0,0 +1,72 @@
+# Logger for debug output.
+
+# Debug messages array.
+DEBUG_MESSAGES=("\033[1;32mINFO     \033[1;m" "\033[1;36mDEBUG    \033[1;m" "\033[1;31mHARDDEBUG\033[1;m")
+
+# Colorize messages depending on verbosity level.
+VERB_LVL_COLORS=("\033[1;m" "\033[1;34m" "\033[1;35m")
+
+# Formatted message will be placed in this variable.
+FORMATTED_MESSAGE=""
+
+function log() {
+    # Just log.
+    log_common $1 "$2"
+    if [ $? -eq 0 ]; then
+        echo -e "${VERB_LVL_COLORS[${1}]}${FORMATTED_MESSAGE}\033[1;m"
+    fi
+}
+
+function log_common() {
+    # Executes some common things for logs.
+    local DEBUG_LVL=$1
+    local MESSAGE=$2
+
+    check_debug ${DEBUG_LVL}
+    if [ $? -ne 0 ]; then
+        return 1
+    fi
+
+    # All ok, printing...
+    FORMATTED_MESSAGE="[${DEBUG_MESSAGES[${DEBUG_LVL}]}] ${MESSAGE}"
+    return 0
+}
+
+function error() {
+    # Just log.
+    error_common $1 "$2"
+    if [ $? -eq 0 ]; then
+        echo -e "${VERB_LVL_COLORS[${1}]}${FORMATTED_MESSAGE}\033[1;m"
+    fi
+}
+
+function error_common() {
+    # Executes some common things for logs.
+    local DEBUG_LVL=$1
+    local MESSAGE=$2
+
+    check_debug ${DEBUG_LVL}
+    if [ $? -ne 0 ]; then
+        return 1
+    fi
+
+    # All ok, printing...
+    FORMATTED_MESSAGE="[ERROR] \033[1;31m${MESSAGE}\033[1;m"
+    return 0
+}
+
+
+function check_debug() {
+    # Checks for debug level and if it applicable to us.
+    # Return codes:
+    #   - 0: this debug level is okay to be printed.
+    #   - 1: this debug level should not be printed.
+    local DEBUG_LVL=$1
+
+
+    if [ ${DEBUG_LVL} -le ${DEBUG} ]; then
+        return 0
+    else
+        return 1
+    fi
+}