Profile of YAML/PP/Render.pm

Filename	/Users/ether/.perlbrew/libs/36.0@std/lib/perl5/YAML/PP/Render.pm
Statements	Executed 29 statements in 1.09ms

Subroutines
Calls	P	F	Exclusive Time	Inclusive Time	Subroutine
1	1	1	37µs	99µs	YAML::PP::Render::::BEGIN@8YAML::PP::Render::BEGIN@8
1	1	1	32µs	35µs	YAML::PP::Parser::::BEGIN@2YAML::PP::Parser::BEGIN@2
1	1	1	19µs	19µs	YAML::PP::Render::::render_block_scalarYAML::PP::Render::render_block_scalar
1	1	1	9µs	48µs	YAML::PP::Parser::::BEGIN@3YAML::PP::Parser::BEGIN@3
0	0	0	0s	0s	YAML::PP::Render::::render_multi_valYAML::PP::Render::render_multi_val
0	0	0	0s	0s	YAML::PP::Render::::render_quotedYAML::PP::Render::render_quoted

Call graph for these subroutines as a Graphviz dot language file.

Line	State ments	Time on line	Calls	Time in subs	Code
1					# ABSTRACT: YAML::PP Rendering functions
2	2	96µs	2	38µs	# spent 35µs (32+3) within YAML::PP::Parser::BEGIN@2 which was called: # once (32µs+3µs) by YAML::PP::Parser::BEGIN@17 at line 2 use strict; # spent 35µs making 1 call to YAML::PP::Parser::BEGIN@2 # spent 3µs making 1 call to strict::import
3	2	91µs	2	87µs	# spent 48µs (9+39) within YAML::PP::Parser::BEGIN@3 which was called: # once (9µs+39µs) by YAML::PP::Parser::BEGIN@17 at line 3 use warnings; # spent 48µs making 1 call to YAML::PP::Parser::BEGIN@3 # spent 39µs making 1 call to warnings::import
4					package YAML::PP::Render;
5
6	1	0s			our $VERSION = '0.035'; # VERSION
7
8	2	876µs	2	161µs	# spent 99µs (37+62) within YAML::PP::Render::BEGIN@8 which was called: # once (37µs+62µs) by YAML::PP::Parser::BEGIN@17 at line 8 use constant TRACE => $ENV{YAML_PP_TRACE} ? 1 : 0; # spent 99µs making 1 call to YAML::PP::Render::BEGIN@8 # spent 62µs making 1 call to constant::import
9
10					sub render_quoted {
11					my ($self, $style, $lines) = @_;
12
13					my $quoted = '';
14					my $addspace = 0;
15
16					for my $i (0 .. $#$lines) {
17					my $line = $lines->[ $i ];
18					my $value = $line->{value};
19					my $last = $i == $#$lines;
20					my $first = $i == 0;
21					if ($value eq '') {
22					if ($first) {
23					$addspace = 1;
24					}
25					elsif ($last) {
26					$quoted .= ' ' if $addspace;
27					}
28					else {
29					$addspace = 0;
30					$quoted .= "\n";
31					}
32					next;
33					}
34
35					$quoted .= ' ' if $addspace;
36					$addspace = 1;
37					if ($style eq '"') {
38					if ($line->{orig} =~ m/\\$/) {
39					$line->{value} =~ s/\\$//;
40					$value =~ s/\\$//;
41					$addspace = 0;
42					}
43					}
44					$quoted .= $value;
45					}
46					return $quoted;
47					}
48
49					# spent 19µs within YAML::PP::Render::render_block_scalar which was called: # once (19µs+0s) by YAML::PP::Lexer::fetch_block at line 611 of YAML/PP/Lexer.pm sub render_block_scalar {
50	1	1µs			my ($self, $block_type, $chomp, $lines) = @_;
51
52	1	0s			my ($folded, $keep, $trim);
53	1	3µs			if ($block_type eq '>') {
54					$folded = 1;
55					}
56	1	1µs			if ($chomp eq '+') {
57					$keep = 1;
58					}
59					elsif ($chomp eq '-') {
60					$trim = 1;
61					}
62
63	1	0s			my $string = '';
64	1	2µs			if (not $keep) {
65					# remove trailing empty lines
66	1	0s			while (@$lines) {
67	1	1µs			last if $lines->[-1] ne '';
68					pop @$lines;
69					}
70					}
71	1	0s			if ($folded) {
72
73					my $prev = 'START';
74					my $trailing = '';
75					if ($keep) {
76					while (@$lines and $lines->[-1] eq '') {
77					pop @$lines;
78					$trailing .= "\n";
79					}
80					}
81					for my $i (0 .. $#$lines) {
82					my $line = $lines->[ $i ];
83
84					my $type = $line eq ''
85					? 'EMPTY'
86					: $line =~ m/\A[ \t]/
87					? 'MORE'
88					: 'CONTENT';
89
90					if ($prev eq 'MORE' and $type eq 'EMPTY') {
91					$type = 'MORE';
92					}
93					elsif ($prev eq 'CONTENT') {
94					if ($type ne 'CONTENT') {
95					$string .= "\n";
96					}
97					elsif ($type eq 'CONTENT') {
98					$string .= ' ';
99					}
100					}
101					elsif ($prev eq 'START' and $type eq 'EMPTY') {
102					$string .= "\n";
103					$type = 'START';
104					}
105					elsif ($prev eq 'EMPTY' and $type ne 'CONTENT') {
106					$string .= "\n";
107					}
108
109					$string .= $line;
110
111					if ($type eq 'MORE' and $i < $#$lines) {
112					$string .= "\n";
113					}
114
115					$prev = $type;
116					}
117					if ($keep) {
118					$string .= $trailing;
119					}
120					$string .= "\n" if @$lines and not $trim;
121					}
122					else {
123	1	3µs			for my $i (0 .. $#$lines) {
124	5	3µs			$string .= $lines->[ $i ];
125	5	4µs			$string .= "\n" if ($i != $#$lines or not $trim);
126					}
127					}
128					TRACE and warn __PACKAGE__.':'.__LINE__.$".Data::Dumper->Dump([\$string], ['string']);
129	1	4µs			return $string;
130					}
131
132					sub render_multi_val {
133					my ($self, $multi) = @_;
134					my $string = '';
135					my $start = 1;
136					for my $line (@$multi) {
137					if (not $start) {
138					if ($line eq '') {
139					$string .= "\n";
140					$start = 1;
141					}
142					else {
143					$string .= " $line";
144					}
145					}
146					else {
147					$string .= $line;
148					$start = 0;
149					}
150					}
151					return $string;
152					}
153
154
155	1	4µs			1;