-
Notifications
You must be signed in to change notification settings - Fork 3
/
Copy pathparagraph.h
193 lines (162 loc) · 5.66 KB
/
paragraph.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
// Copyright (c) 2021, The University of Southern California.
// All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
// 1. Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
// 3. Neither the name of the copyright holder nor the names of its contributors
// may be used to endorse or promote products derived from this software without
// specific prior written permission.
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
#ifndef PARAGRAPH_H_
#define PARAGRAPH_H_
#include <fstream>
#include <iostream>
#include <sstream>
#include <string>
#include <vector>
#include "./utils.h"
const std::vector<std::string> bad_info{"[Page", "Sep", "RFC", "---"};
bool keep_info(std::string str) {
for (const auto& bad_elem : bad_info) {
if (str.find(bad_elem) != std::string::npos) {
return false;
}
}
return true;
}
class Paragraph {
public:
std::vector<std::string> ir_;
Paragraph(std::string topic_line, std::string line) {
topic_ = topic_line;
// std::string::iterator new_end = std::unique(line.begin(), line.end(),
// BothAreReturns); line.erase(new_end, line.end());
content_ = line;
}
void print() {
std::cout << topic_ << std::endl;
std::cout << content_ << std::endl;
}
void print_ir() {
std::cout << "Print IR: " << std::endl;
for (const auto& ir : ir_) {
std::cout << "\t" << ir << std::endl;
}
}
void writeout(std::string filename) {
std::ofstream outfile(filename);
outfile << topic_ << std::endl;
outfile << content_ << std::endl;
}
void trim_ascii() {
const std::string pattern =
"+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+";
int start_line = -1;
std::vector<std::string> str_split;
std::stringstream ss(content_);
std::string single_line;
while (getline(ss, single_line, '\n')) {
str_split.push_back(single_line);
}
for (size_t i = 0; i < str_split.size(); i++) {
if (str_split[i].find(pattern) != std::string::npos) {
start_line = i;
}
}
if (start_line != -1) {
std::string trimmed_content;
for (size_t j = start_line + 1; j < str_split.size(); j++) {
trimmed_content.append(str_split[j]);
trimmed_content.append("\n");
}
content_ = trimmed_content;
}
}
std::string get_topic() { return topic_; }
std::string get_content() { return content_; }
private:
std::string topic_;
std::string content_;
};
std::vector<Paragraph> new_sliceParagraph(std::string raw_text) {
const std::string delimiter = "\n";
std::string per_line;
std::vector<Paragraph> sub_paragraph_bank;
std::string per_topic;
std::string per_content;
bool push_new = false;
size_t pos = 0;
size_t space_cnt, last_indent;
bool first_indent = true, allow = false;
size_t space_std = 0;
while ((pos = raw_text.find(delimiter)) != std::string::npos) {
per_line = raw_text.substr(0, pos);
// std::cout<<"per_line: "<<per_line<<std::endl;
raw_text.erase(0, pos + delimiter.length());
// check if line is not empty
if ((space_cnt = per_line.find_first_not_of(" \t")) != std::string::npos) {
if (first_indent) {
// store indentation info
space_std = space_cnt;
last_indent = space_cnt;
per_topic = per_line;
first_indent = false;
}
if (space_cnt == space_std) {
// new field
if (space_cnt != last_indent) {
push_new = true;
} else {
per_topic = per_line;
}
} else {
// descriptions
if (space_cnt < space_std) {
std::cout << "Wrong structure alignment for field parsing"
<< std::endl;
break;
}
allow = true; // permit empty line before register the whole chunk
per_content.append(per_line);
per_content.append("\n");
}
last_indent = space_cnt;
// empty line
} else if (allow) {
per_content.append("\n");
}
if (push_new && !per_content.empty()) {
per_content = per_content.substr(0, per_content.size() - 1);
Paragraph para(per_topic, per_content);
sub_paragraph_bank.push_back(para);
per_content.clear();
per_topic.clear();
allow = false;
push_new = false;
per_topic = per_line;
}
}
if (!per_content.empty()) {
Paragraph para(convert_to_lower(per_topic), per_content);
sub_paragraph_bank.push_back(para);
}
// for (auto& sub_paragraph: sub_paragraph_bank) {
// sub_paragraph.print();
// }
return sub_paragraph_bank;
}
#endif // PARAGRAPH_H_