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Squashed 'src/univalue/' changes from 16a1f7f6e..fe805ea74

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fe805ea74 Declare single-argument (non-converting) constructors "explicit"
8a2d6f1e3 Merge pull request #41 from jgarzik/get-obj-map
ba341a20d Add getObjMap() helper method.  Also, constify checkObject().
ceb119413 Handle .pushKV() and .checkObject() edge cases.
107db9829 Add ::push_back(double) method for feature parity.
d41530031 Move one-line implementation of UniValue::read() to header.
52e85b35b Move exception-throwing get_* methods into separate implementation module.
dac529675 README.md: update code quotes
3e31dcffb README.md: close code quote
d09b8429d Update README.md
f1b86edb4 Convert README to markdown style.
1dfe464ef Import UniValue class unit tests from bitcoin project.
0d3e74dd1 operator[] takes size_t index parameter (versus unsigned int)
640158fa2 Private findKey() method becomes size_t clean, and returns bool on failure.
709913585 Merge pull request #36 from ryanofsky/pr/end-str
a31231b51 Version 1.0.3
4fd5444d1 Reject unterminated strings
81eba332b Merge pull request #26 from isle2983/pushBackHelpers
36405413e Merge PR #32 from branch 'nul-not-special' of git://github.com/ryanofsky/univalue into merge
89bb07322 Merge pull request #31 from ryanofsky/raw-literals
511008c36 Merge pull request #30 from ryanofsky/test-driver
77974f3a9 Merge pull request #34 from paveljanik/20161116_Wshadow_codepoint
a38fcd355 Do not shadow member variable codepoint.
fd32d1ab8 Don't require nul-terminated string inputs
0bb1439d0 Support parsing raw literals in UniValue
28876d045 Merge pull request #29 from btcdrak/exportspace
839ccd71f Add test driver for JSONTestSuite
26ef3fff1 Remove trailing whitespace from JSON export
cfa0384d6 Convenience wrappers for push_back-ing integer types
REVERT: 16a1f7f6e Merge #3: Pull upstream
REVERT: daf1285af Merge pull request #2 from jgarzik/master
REVERT: f32df99e9 Merge branch '2016_04_unicode' into bitcoin
REVERT: 280b191cb Merge remote-tracking branch 'jgarzik/master' into bitcoin
REVERT: 2740c4f71 Merge branch '2015_11_escape_plan' into bitcoin

git-subtree-dir: src/univalue
git-subtree-split: fe805ea74f8919382720b09a905a14e81311b3ad
This commit is contained in:
MarcoFalke
2017-09-29 14:27:20 +02:00
parent 2ca7faab42
commit 619bb05037
23 changed files with 784 additions and 230 deletions
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72
lib/univalue_read.cpp
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@@ -43,21 +43,21 @@ static const char *hatoui(const char *first, const char *last,
}
enum jtokentype getJsonToken(string& tokenVal, unsigned int& consumed,
const char *raw)
const char *raw, const char *end)
{
tokenVal.clear();
consumed = 0;
const char *rawStart = raw;
while ((*raw) && (json_isspace(*raw))) // skip whitespace
while (raw < end && (json_isspace(*raw))) // skip whitespace
raw++;
switch (*raw) {
case 0:
if (raw >= end)
return JTOK_NONE;
switch (*raw) {
case '{':
raw++;
consumed = (raw - rawStart);
@@ -127,40 +127,40 @@ enum jtokentype getJsonToken(string& tokenVal, unsigned int& consumed,
numStr += *raw; // copy first char
raw++;
if ((*first == '-') && (!json_isdigit(*raw)))
if ((*first == '-') && (raw < end) && (!json_isdigit(*raw)))
return JTOK_ERR;
while ((*raw) && json_isdigit(*raw)) { // copy digits
while (raw < end && json_isdigit(*raw)) { // copy digits
numStr += *raw;
raw++;
}
// part 2: frac
if (*raw == '.') {
if (raw < end && *raw == '.') {
numStr += *raw; // copy .
raw++;
if (!json_isdigit(*raw))
if (raw >= end || !json_isdigit(*raw))
return JTOK_ERR;
while ((*raw) && json_isdigit(*raw)) { // copy digits
while (raw < end && json_isdigit(*raw)) { // copy digits
numStr += *raw;
raw++;
}
}
// part 3: exp
if (*raw == 'e' || *raw == 'E') {
if (raw < end && (*raw == 'e' || *raw == 'E')) {
numStr += *raw; // copy E
raw++;
if (*raw == '-' || *raw == '+') { // copy +/-
if (raw < end && (*raw == '-' || *raw == '+')) { // copy +/-
numStr += *raw;
raw++;
}
if (!json_isdigit(*raw))
if (raw >= end || !json_isdigit(*raw))
return JTOK_ERR;
while ((*raw) && json_isdigit(*raw)) { // copy digits
while (raw < end && json_isdigit(*raw)) { // copy digits
numStr += *raw;
raw++;
}
@@ -177,13 +177,16 @@ enum jtokentype getJsonToken(string& tokenVal, unsigned int& consumed,
string valStr;
JSONUTF8StringFilter writer(valStr);
while (*raw) {
if ((unsigned char)*raw < 0x20)
while (true) {
if (raw >= end || (unsigned char)*raw < 0x20)
return JTOK_ERR;
else if (*raw == '\\') {
raw++; // skip backslash
if (raw >= end)
return JTOK_ERR;
switch (*raw) {
case '"': writer.push_back('\"'); break;
case '\\': writer.push_back('\\'); break;
@@ -196,7 +199,8 @@ enum jtokentype getJsonToken(string& tokenVal, unsigned int& consumed,
case 'u': {
unsigned int codepoint;
if (hatoui(raw + 1, raw + 1 + 4, codepoint) !=
if (raw + 1 + 4 >= end ||
hatoui(raw + 1, raw + 1 + 4, codepoint) !=
raw + 1 + 4)
return JTOK_ERR;
writer.push_back_u(codepoint);
@@ -246,7 +250,7 @@ enum expect_bits {
#define setExpect(bit) (expectMask |= EXP_##bit)
#define clearExpect(bit) (expectMask &= ~EXP_##bit)
bool UniValue::read(const char *raw)
bool UniValue::read(const char *raw, size_t size)
{
clear();
@@ -257,10 +261,11 @@ bool UniValue::read(const char *raw)
unsigned int consumed;
enum jtokentype tok = JTOK_NONE;
enum jtokentype last_tok = JTOK_NONE;
const char* end = raw + size;
do {
last_tok = tok;
tok = getJsonToken(tokenVal, consumed, raw);
tok = getJsonToken(tokenVal, consumed, raw, end);
if (tok == JTOK_NONE || tok == JTOK_ERR)
return false;
raw += consumed;
@@ -371,9 +376,6 @@ bool UniValue::read(const char *raw)
case JTOK_KW_NULL:
case JTOK_KW_TRUE:
case JTOK_KW_FALSE: {
if (!stack.size())
return false;
UniValue tmpVal;
switch (tok) {
case JTOK_KW_NULL:
@@ -388,6 +390,11 @@ bool UniValue::read(const char *raw)
default: /* impossible */ break;
}
if (!stack.size()) {
*this = tmpVal;
break;
}
UniValue *top = stack.back();
top->values.push_back(tmpVal);
@@ -396,10 +403,12 @@ bool UniValue::read(const char *raw)
}
case JTOK_NUMBER: {
if (!stack.size())
return false;
UniValue tmpVal(VNUM, tokenVal);
if (!stack.size()) {
*this = tmpVal;
break;
}
UniValue *top = stack.back();
top->values.push_back(tmpVal);
@@ -408,17 +417,18 @@ bool UniValue::read(const char *raw)
}
case JTOK_STRING: {
if (!stack.size())
return false;
UniValue *top = stack.back();
if (expect(OBJ_NAME)) {
UniValue *top = stack.back();
top->keys.push_back(tokenVal);
clearExpect(OBJ_NAME);
setExpect(COLON);
} else {
UniValue tmpVal(VSTR, tokenVal);
if (!stack.size()) {
*this = tmpVal;
break;
}
UniValue *top = stack.back();
top->values.push_back(tmpVal);
}
@@ -432,7 +442,7 @@ bool UniValue::read(const char *raw)
} while (!stack.empty ());
/* Check that nothing follows the initial construct (parsed above). */
tok = getJsonToken(tokenVal, consumed, raw);
tok = getJsonToken(tokenVal, consumed, raw, end);
if (tok != JTOK_NONE)
return false;