diff options
Diffstat (limited to 'src/lexer')
| -rw-r--r-- | src/lexer/parseline.cc | 80 | ||||
| -rw-r--r-- | src/lexer/token.cc | 2 |
2 files changed, 81 insertions, 1 deletions
diff --git a/src/lexer/parseline.cc b/src/lexer/parseline.cc new file mode 100644 index 0000000..064f876 --- /dev/null +++ b/src/lexer/parseline.cc @@ -0,0 +1,80 @@ +#include "lexer/parseline.h" + +#include <vector> + +#include "lexer/enum_type.h" +#include "util/string.h" + +using namespace std; + +namespace ov4 +{ + +char **parseline(const std::string &s) +{ + guard_type guard = GUARD_OFF; + vector<string> v; + size_t len = s.size(); + string prev_str = ""; + char c; + + for (size_t i = 0; i < len; i++) + { + + c = s[i]; + if (c == ' ' && guard == GUARD_OFF) continue; + + if (c == '\'' || c == '\"') + { + + // turn on GUARD + if (guard == GUARD_OFF) + { + guard = (c == '\'') ? GUARD_STRONG : GUARD_WEAK; + if (i+1 == len) + { + v.push_back(prev_str); + prev_str = ""; + } + continue; + } + // turn off + else if (guard == GUARD_STRONG && c == '\'') + { + guard = GUARD_OFF; + if (i+1 == len) + { + v.push_back(prev_str); + prev_str = ""; + } + continue; + } + // turn off + else if (guard == GUARD_WEAK && c == '\"') + { + guard = GUARD_OFF; + if (i+1 == len) + { + v.push_back(prev_str); + prev_str = ""; + } + continue; + } + // if this (single/double) quotation mark is guarded + // it should be saved + } + + prev_str += c; + + if ((i+1 >= len) || (s[i+1] == ' ' && guard == GUARD_OFF)) + { + v.push_back(prev_str); + prev_str = ""; + continue; + } + } + + return string2argv_alloc(v); +} + +} diff --git a/src/lexer/token.cc b/src/lexer/token.cc index b9b8242..ec69090 100644 --- a/src/lexer/token.cc +++ b/src/lexer/token.cc @@ -12,7 +12,7 @@ using namespace std; // remove this -constexpr bool TOKEN_DEBUG = true; +constexpr bool TOKEN_DEBUG = false; namespace ov4 { |