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
|
#include <pch.hpp>
#include "streamRows.h"
#include "rowProcessor.h"
StreamRows::StreamRows(ScriptNodePtr p) :
DefinedColumns(p, "columns", boost::bind(&Column::make, _1, _2)),
RowSet(p),
fieldSep(p->value("fieldSep", ",").as<Glib::ustring>()[0]),
quoteChar(p->value("quoteChar", "\"").as<Glib::ustring>()[0]),
keepBlankRows(p->value("keepBlankRows", false)),
countBlankRows(p->value("countBlankRows", false)),
newline(p->value("newline", "\n").as<Glib::ustring>()),
newlin(newline, 0, newline.length() - 1),
encoding(p->value("encoding", "utf-8").as<std::string>()),
skipheader(p->value("skipheader", 0).as<int64_t>())
{
}
StreamRows::~StreamRows()
{
}
void
StreamRows::pushChar(gunichar c, ParseState & ps) const
{
if ((!ps.inQuotes) && (c == *newline.rbegin()) && (ps.tok.compare(ps.tok.length() - newlin.length(), newlin.length(), newlin) == 0)) {
if (skipheader) {
ps.skipheader -= 1;
}
else {
ps.tok.erase(ps.tok.length() - newlin.length());
if (!ps.tok.empty()) {
*ps.curCol++ = VariableType(ps.tok);
}
if (keepBlankRows || ps.curCol != ps.fields.begin()) {
while (ps.curCol != ps.fields.end()) {
*ps.curCol++ = Null();
}
ps.process(ps.rp);
}
else if (countBlankRows) {
ps.blankRow();
}
ps.curCol = ps.fields.begin();
}
ps.tok.clear();
}
else if (c == quoteChar) {
if (ps.prevWasQuote) {
ps.tok += c;
ps.prevWasQuote = false;
ps.inQuotes = !ps.inQuotes;
}
else {
ps.prevWasQuote = ps.inQuotes;
ps.inQuotes = !ps.inQuotes;
}
}
else if ((!ps.inQuotes) && (c == fieldSep)) {
ps.prevWasQuote = false;
if (skipheader == 0) {
*ps.curCol++ = VariableType(ps.tok);
}
ps.tok.clear();
}
else {
ps.prevWasQuote = false;
ps.tok += c;
}
}
StreamRows::ParseState::ParseState(const StreamRows * rows, const RowProcessor * proc) :
ColumnValues(rows),
sr(rows),
rp(proc),
inQuotes(false),
prevWasQuote(false),
curCol(fields.begin())
{
}
StreamRows::ParseState::~ParseState()
{
if (!std::uncaught_exception()) {
sr->end(*this);
}
}
void
StreamRows::end(ParseState & ps) const
{
if (!ps.tok.empty()) {
if (skipheader == 0) {
*ps.curCol++ = VariableType(ps.tok);
}
}
if (keepBlankRows || ps.curCol != ps.fields.begin()) {
while (ps.curCol != ps.fields.end()) {
*ps.curCol++ = Null();
}
ps.process(ps.rp);
}
else if (countBlankRows) {
ps.blankRow();
}
}
|
