split script in multiple files, reassembled through build.sh

src/libs/100_output_print.sh

@@ -0,0 +1,106 @@
+# vim: set ts=4 sw=4 sts=4 et:
+# Low-level echo wrapper handling color stripping and printf/echo portability
+# Args: $1=opt(-n for no newline, '' for normal) $2...=message
+# Callers: _pr_echo, _pr_echo_nol
+_pr_echo_raw() {
+    local opt msg interpret_chars ctrlchar
+    opt="$1"
+    shift
+    msg="$*"
+
+    if [ "$opt_no_color" = 1 ]; then
+        # strip ANSI color codes
+        # some sed versions (i.e. toybox) can't seem to handle
+        # \033 aka \x1B correctly, so do it for them.
+        if [ "$g_echo_cmd_type" = printf ]; then
+            interpret_chars=''
+        else
+            interpret_chars='-e'
+        fi
+        ctrlchar=$($g_echo_cmd $interpret_chars "\033")
+        msg=$($g_echo_cmd $interpret_chars "$msg" | sed -r "s/$ctrlchar\[([0-9][0-9]?(;[0-9][0-9]?)?)?m//g")
+    fi
+    if [ "$g_echo_cmd_type" = printf ]; then
+        if [ "$opt" = "-n" ]; then
+            $g_echo_cmd "$msg"
+        else
+            $g_echo_cmd "$msg\n"
+        fi
+    else
+        # shellcheck disable=SC2086
+        $g_echo_cmd $opt -e "$msg"
+    fi
+}
+
+# Print a message if the current verbosity level is high enough
+# Args: $1=minimum_verbosity_level $2...=message
+# Callers: pr_warn, pr_info, pr_verbose, pr_debug, _emit_text, toplevel batch output
+_pr_echo() {
+    if [ "$opt_verbose" -ge "$1" ]; then
+        shift
+        _pr_echo_raw '' "$*"
+    fi
+}
+
+# Print a message without trailing newline if the current verbosity level is high enough
+# Args: $1=minimum_verbosity_level $2...=message
+# Callers: pr_info_nol, pr_verbose_nol
+_pr_echo_nol() {
+    if [ "$opt_verbose" -ge "$1" ]; then
+        shift
+        _pr_echo_raw -n "$*"
+    fi
+}
+
+# Print a warning message in red to stderr (verbosity 0, always shown)
+# Args: $1...=message
+pr_warn() {
+    _pr_echo 0 "\033[31m$*\033[0m" >&2
+}
+
+# Print an informational message (verbosity >= 1)
+# Args: $1...=message
+pr_info() {
+    _pr_echo 1 "$*"
+}
+
+# Print an informational message without trailing newline (verbosity >= 1)
+# Args: $1...=message
+pr_info_nol() {
+    _pr_echo_nol 1 "$*"
+}
+
+# Print a verbose message (verbosity >= 2)
+# Args: $1...=message
+pr_verbose() {
+    _pr_echo 2 "$*"
+}
+
+# Print a verbose message without trailing newline (verbosity >= 2)
+# Args: $1...=message
+pr_verbose_nol() {
+    _pr_echo_nol 2 "$*"
+}
+
+# Print a debug message in blue (verbosity >= 3)
+# Args: $1...=message
+pr_debug() {
+    _pr_echo 3 "\033[34m(debug) $*\033[0m"
+}
+
+# Print a "How to fix" explanation when --explain is enabled
+# Args: $1...=fix description
+explain() {
+    if [ "$opt_explain" = 1 ]; then
+        pr_info ''
+        pr_info "> \033[41m\033[30mHow to fix:\033[0m $*"
+    fi
+}
+
+# Convert a CVE ID to its human-readable vulnerability name
+# Args: $1=cve_id (e.g. "CVE-2017-5753")
+cve2name() {
+    _cve_registry_field "$1" 4
+}
+
+g_is_cpu_affected_cached=0