src/detail/pct_format.cpp

100.0% Lines (80/80) 100.0% Functions (2/2) 85.7% Branches (60/70)

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1			//
2			// Copyright (c) 2022 Alan de Freitas (alandefreitas@gmail.com)
3			//
4			// Distributed under the Boost Software License, Version 1.0. (See accompanying
5			// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
6			//
7			// Official repository: https://github.com/boostorg/url
8			//
9
10
11			#include <boost/url/detail/config.hpp>
12			#include "pct_format.hpp"
13			#include <boost/url/grammar/parse.hpp>
14			#include <boost/url/grammar/unsigned_rule.hpp>
15
16			namespace boost {
17			namespace urls {
18			namespace detail {
19
20			std::size_t
21		297	pct_vmeasure(
22			grammar::lut_chars const& cs,
23			format_parse_context& pctx,
24			measure_context& mctx)
25			{
26		297	auto it0 = pctx.begin();
27		297	auto end = pctx.end();
28	2/2 ✓ Branch 0 taken 348 times. ✓ Branch 1 taken 233 times.	581	while( it0 != end )
29			{
30			// look for replacement id
31		348	char const* it1 = it0;
32		348	while(
33	2/2 ✓ Branch 0 taken 840 times. ✓ Branch 1 taken 62 times.	902	it1 != end &&
34	2/2 ✓ Branch 0 taken 554 times. ✓ Branch 1 taken 286 times.	840	*it1 != '{' )
35			{
36		554	++it1;
37			}
38
39			// output literal prefix
40	2/2 ✓ Branch 0 taken 139 times. ✓ Branch 1 taken 209 times.	348	if( it0 != it1 )
41			{
42	2/2 ✓ Branch 0 taken 554 times. ✓ Branch 1 taken 139 times.	693	for (char const* i = it0; i != it1; ++i)
43		554	mctx.advance_to( mctx.out() + measure_one(*i, cs));
44			}
45
46			// over
47	2/2 ✓ Branch 0 taken 62 times. ✓ Branch 1 taken 286 times.	348	if( it1 == end )
48			{
49		62	break;
50			}
51
52			// enter replacement id
53		286	++it1;
54	1/2 ✗ Branch 0 not taken. ✓ Branch 1 taken 286 times.	286	BOOST_ASSERT(it1 != end);
55
56			// handle escaped replacement (second '{')
57			// there's no "{{" in URL templates because
58			// '{'s are not allowed in URLs
59	1/2 ✗ Branch 0 not taken. ✓ Branch 1 taken 286 times.	286	BOOST_ASSERT(*it1 != '{');
60			/*
61			if( *it1 == '{' )
62			{
63			mctx.advance_to( mctx.out() + measure_one('{', cs));
64			++it1;
65			// this was not a real replacement,
66			// so we just keep moving
67			continue;
68			}
69			*/
70
71
72			// parse {id} or {id:specs}
73		286	char const* id_start = it1;
74		286	while (it1 != end &&
75	3/4 ✓ Branch 0 taken 536 times. ✗ Branch 1 not taken. ✓ Branch 2 taken 495 times. ✓ Branch 3 taken 41 times.	536	*it1 != ':' &&
76	2/2 ✓ Branch 0 taken 250 times. ✓ Branch 1 taken 245 times.	495	*it1 != '}')
77			{
78		250	++it1;
79			}
80		286	core::string_view id(id_start, it1);
81
82			// move to specs start
83	1/2 ✓ Branch 0 taken 286 times. ✗ Branch 1 not taken.	286	if (it1 != end &&
84	2/2 ✓ Branch 0 taken 41 times. ✓ Branch 1 taken 245 times.	286	*it1 == ':')
85		41	++it1;
86		286	pctx.advance_to( it1 );
87
88			// get format_arg to use
89		286	auto idv = grammar::parse(
90		286	id, grammar::unsigned_rule<std::size_t>{});
91	2/2 ✓ Branch 1 taken 33 times. ✓ Branch 2 taken 253 times.	286	if (idv)
92			{
93	1/1 ✓ Branch 3 taken 33 times.	33	mctx.arg( *idv ).measure( pctx, mctx, cs );
94			}
95	2/2 ✓ Branch 1 taken 43 times. ✓ Branch 2 taken 210 times.	253	else if (!id.empty())
96			{
97	1/1 ✓ Branch 2 taken 43 times.	43	mctx.arg( id ).measure( pctx, mctx, cs );
98			}
99			else
100			{
101		210	std::size_t arg_id = pctx.next_arg_id();
102	1/1 ✓ Branch 2 taken 208 times.	210	mctx.arg( arg_id ).measure( pctx, mctx, cs );
103			}
104
105
106		284	it1 = pctx.begin();
107	1/2 ✗ Branch 0 not taken. ✓ Branch 1 taken 284 times.	284	BOOST_ASSERT(*it1 == '}');
108		284	it0 = it1 + 1;
109			}
110
111		295	return mctx.out();
112			}
113
114			char*
115		292	pct_vformat(
116			grammar::lut_chars const& cs,
117			format_parse_context& pctx,
118			format_context& fctx)
119			{
120		292	auto it0 = pctx.begin();
121		292	auto end = pctx.end();
122	2/2 ✓ Branch 0 taken 343 times. ✓ Branch 1 taken 231 times.	574	while( it0 != end )
123			{
124			// look for replacement id
125		343	char const* it1 = it0;
126		343	while(
127	2/2 ✓ Branch 0 taken 827 times. ✓ Branch 1 taken 61 times.	888	it1 != end &&
128	2/2 ✓ Branch 0 taken 545 times. ✓ Branch 1 taken 282 times.	827	*it1 != '{' )
129			{
130		545	++it1;
131			}
132
133			// output literal prefix
134	2/2 ✓ Branch 0 taken 138 times. ✓ Branch 1 taken 205 times.	343	if( it0 != it1 )
135			{
136	2/2 ✓ Branch 0 taken 545 times. ✓ Branch 1 taken 138 times.	683	for (char const* i = it0; i != it1; ++i)
137			{
138		545	char* o = fctx.out();
139		545	encode_one(o, *i, cs);
140		545	fctx.advance_to(o);
141			}
142			}
143
144			// over
145	2/2 ✓ Branch 0 taken 61 times. ✓ Branch 1 taken 282 times.	343	if( it1 == end )
146			{
147		61	break;
148			}
149
150			// enter replacement id
151		282	++it1;
152	1/2 ✗ Branch 0 not taken. ✓ Branch 1 taken 282 times.	282	BOOST_ASSERT(it1 != end);
153
154			// handle escaped replacement (second '{')
155			// there's no "{{" in URL templates because
156			// '{'s are not allowed in URLs
157	1/2 ✗ Branch 0 not taken. ✓ Branch 1 taken 282 times.	282	BOOST_ASSERT(*it1 != '{');
158			/*
159			if( *it1 == '{' )
160			{
161			char* o = fctx.out();
162			encode_one(o, '{', cs);
163			fctx.advance_to(o);
164			++it1;
165			// this was not a real replacement,
166			// so we just keep moving
167			continue;
168			}
169			*/
170
171			// parse {id} or {id:specs}
172		282	char const* id_start = it1;
173		282	while (it1 != end &&
174	3/4 ✓ Branch 0 taken 532 times. ✗ Branch 1 not taken. ✓ Branch 2 taken 493 times. ✓ Branch 3 taken 39 times.	532	*it1 != ':' &&
175	2/2 ✓ Branch 0 taken 250 times. ✓ Branch 1 taken 243 times.	493	*it1 != '}')
176			{
177		250	++it1;
178			}
179		282	core::string_view id(id_start, it1);
180
181			// move to specs part
182	1/2 ✓ Branch 0 taken 282 times. ✗ Branch 1 not taken.	282	if (it1 != end &&
183	2/2 ✓ Branch 0 taken 39 times. ✓ Branch 1 taken 243 times.	282	*it1 == ':')
184		39	++it1;
185		282	pctx.advance_to( it1 );
186
187			// get format_arg to use
188		282	auto idv = grammar::parse(
189		282	id, grammar::unsigned_rule<std::size_t>{});
190	2/2 ✓ Branch 1 taken 33 times. ✓ Branch 2 taken 249 times.	282	if (idv)
191			{
192	1/1 ✓ Branch 3 taken 33 times.	33	fctx.arg( *idv ).format( pctx, fctx, cs );
193			}
194	2/2 ✓ Branch 1 taken 43 times. ✓ Branch 2 taken 206 times.	249	else if (!id.empty())
195			{
196	1/1 ✓ Branch 2 taken 43 times.	43	fctx.arg( id ).format( pctx, fctx, cs );
197			}
198			else
199			{
200		206	std::size_t arg_id = pctx.next_arg_id();
201	1/1 ✓ Branch 2 taken 206 times.	206	fctx.arg( arg_id ).format( pctx, fctx, cs );
202			}
203
204		282	it1 = pctx.begin();
205	1/2 ✗ Branch 0 not taken. ✓ Branch 1 taken 282 times.	282	BOOST_ASSERT(*it1 == '}');
206		282	it0 = it1 + 1;
207			}
208
209		292	return fctx.out();
210			}
211
212			} // detail
213			} // urls
214			} // boost
215
216